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Trojan.Win32.Badur.hbyw_1c5c2a1ffb


Trojan.Win32.Badur.hbyw (Kaspersky), Trojan.Win32.Generic!SB.0 (VIPRE), Artemis!1C5C2A1FFBAF (McAfee), mzpefinder_pcap_file.YR (Lavasoft MAS)Behaviour: Trojan

The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

Summary

MD5: 1c5c2a1ffbaf8f49cdddf9bff10be16b

SHA1: 0ac2f631ebc99ce8658811877352c12e4e54180a

SHA256: ada837217fcbacf92444f2b9847ce9a2693f3b7d2c0834435488e6e7875cdd0b

SSDeep: 1536:3RYpHXbpdF1XJfHM3S0DamJUkquGlrafQPZPipMnR0u2mP08rYsqP3T:hY3dFNJPmDamJUkqHl4G0bmPnr4T

Size: 95589 bytes

File type: EXE

Platform: WIN32

Entropy: Packed

PEID: UPolyXv05_v6

Company: Beorfd Software Coregion

Created at: 2009-02-05 03:59:54

Analyzed on: WindowsXP SP3 32-bit

Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

ogqyacg_30656.exe:3228
zhtray.exe:1208
ZhiHui2.3.exe:2016
setup_3128.exe:276
pczh_100_1.exe:3024
YYMusic.exe:3128

The Trojan injects its code into the following process(es):

%original file name%.exe:3340
YYSpeed.exe:3200

File activity

The process ogqyacg_30656.exe:3228 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\dl.dll (65930 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddlp.bca.bak (8 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsx4.tmp (162199 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMDownload.dll (5520 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\hu.dll (3312 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddl.bca.bak (200 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDLogicUtils.dll (30968 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMNet.dll.bdl (48076 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddl.bca (1115 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\n.exe.bdl (197437 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\Desktop\Global.db (16 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddlp.bca (16 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\tmpvfmtk9.dll (87814 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\res\onlineWnd.zip (6360 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\Common\Global.db (100 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMNetGetInfo.dll (9608 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMReport.dll.bdl (36511 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMSkin.dll (38495 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddlp.bca.bak (0 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddl.bca.bak (0 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddl.bca (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nss3.tmp (0 bytes)
%Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddlp.bca (0 bytes)

The process zhtray.exe:1208 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\ZhiHui2420143\set.ini (7 bytes)
%Documents and Settings%\%current user%\Application Data\ZhiHui2420143\set2420143\Setzh2420143.ini (23 bytes)
%Documents and Settings%\%current user%\Application Data\ZhiHui2420143\min.ini (14 bytes)

The process %original file name%.exe:3340 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\NSISdl.dll (14 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\xID.dll (3 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\z.ini (662 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\setup_3128.exe (354959 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\ogqyacg_30656.exe (156554 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\-8531_1_mm.rar (38758 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\pczh_100_1.exe (40033 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\System.dll (11 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\Md5dll.dll (8 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\z.ini.log (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsr1.tmp (0 bytes)

The process ZhiHui2.3.exe:2016 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\SZIS9VJF\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\3F9KLW6F\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\1GGYBZUQ\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\1GGYBZUQ\stat[1].php (1121 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\SZIS9VJF\zhibo2[1].htm (699 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\3F9KLW6F\fyminiloader-min[1].js (660 bytes)

The process setup_3128.exe:276 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Program Files%\YYMusic2\20140324065726\avutil-52.dll (5520 bytes)
%Program Files%\YYMusic2\20140324065726\Skin\mainframeshadow.png (4992 bytes)
%Program Files%\YYMusic2\20140324065726\channels.xml (784 bytes)
%Program Files%\YYMusic2\20140324065726\avcodec-54.dll (23936 bytes)
%Program Files%\YYMusic2\20140324065726\favorfm.xml (440 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\YYMusic2\ÅäÖù¤¾ß\жÔØYYMusic2.lnk (858 bytes)
%Program Files%\YYMusic2\20140324065726\avcore.dll (2392 bytes)
%Program Files%\YYMusic2\20140324065726\avformat-54.dll (12536 bytes)
%Program Files%\YYMusic2\20140324065726\SysConfig.ini (255 bytes)
%Program Files%\YYMusic2\20140324065726\Data\dh.ini (56 bytes)
%Program Files%\YYMusic2\20140324065726\Data\setup.ini (110 bytes)
%Program Files%\YYMusic2\20140324065726\YYMusic.exe (32784 bytes)
%Program Files%\YYMusic2\20140324065726\Data\version.ini (32 bytes)
%Program Files%\YYMusic2\20140324065726\DuiLib.dll (16288 bytes)
%Program Files%\YYMusic2\20140324065726\pthreadGC2.dll (3616 bytes)
%Program Files%\YYMusic2\20140324065726\Data\user2.ini (15 bytes)
%Program Files%\YYMusic2\20140324065726\audio.dll (3616 bytes)
%Program Files%\YYMusic2\20140324065726\source.dll (6584 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\YYMusic2\¹Ù·½Ö÷Ò³.lnk (334 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\YYMusic2\YYMusic2.lnk (856 bytes)
%Program Files%\YYMusic2\20140324065726\Data\client.ini (36 bytes)
%Program Files%\YYMusic2\20140324065726\libav.dll (6360 bytes)
%Program Files%\YYMusic2\20140324065726\Unins.exe (9608 bytes)
%Program Files%\YYMusic2\20140324065726\YYSpeed.exe (22552 bytes)
%Program Files%\YYMusic2\20140324065726\Skin\hotkeytipbk.png (1 bytes)
%Program Files%\YYMusic2\20140324065726\Skin.rs (29608 bytes)
%Program Files%\YYMusic2\20140324065726\Skin\progresstooltip.png (3 bytes)
%Program Files%\YYMusic2\20140324065726\swresample-0.dll (3312 bytes)

The Trojan deletes the following file(s):

C:\ (0 bytes)

The process pczh_100_1.exe:3024 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\tj.html (89 bytes)
%Program Files%\azh2.3\uninstall.exe (5064 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\System.dll (11 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OVYHJBCC\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Desktop\°®Çé.ÖÇ»Û2.3.lnk (671 bytes)
%Program Files%\azh2.3\Zhihui2.3.exe (5064 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OVYHJBCC\tj[1].htm (89 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Inetc.dll (784 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp (4 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Math.dll (2392 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Base64.dll (4 bytes)
%Program Files%\azh2.3\zhtray.exe (5520 bytes)
%Program Files%\azh2.3\ToolZhSrv.exe (1856 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsr7.tmp (23866 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\°®Çé.ÖÇ»Û2.3\°®Çé.ÖÇ»Û2.3.lnk (1366 bytes)
%Documents and Settings%\%current user%\Start Menu\Programs\°®Çé.ÖÇ»Û2.3\жÔØ.lnk (1366 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\md5dll.dll (8 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\tj.html (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\System.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsm6.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Math.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Base64.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Inetc.dll (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\md5dll.dll (0 bytes)

The process YYMusic.exe:3128 makes changes in the file system.


The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\d29e_appcompat.txt (10320 bytes)

Registry activity

The process ogqyacg_30656.exe:3228 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "75 2D F5 AA 69 DE A8 E4 66 08 5C AB 0E 5E FD B3"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCR\metnsd\clsid]
"SequenceID" = "DE 0B D2 6A 51 7A D0 4C B5 3F 41 4B F2 6C 36 1B"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

Adds a rule to the firewall Windows which allows any network activity:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%Documents and Settings%\%current user%\Local Settings\Temp]
"ogqyacg_30656.exe" = "%Documents and Settings%\%current user%\Local Settings\Temp\ogqyacg_30656.exe:*:Enabled:百度杀毒在线安装程序"

The Trojan adds process executable file it works in to the list of trusted Windows Firewall applications:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\%Documents and Settings%\%current user%\Local Settings\Temp]
"ogqyacg_30656.exe" = "%Documents and Settings%\%current user%\Local Settings\Temp\ogqyacg_30656.exe:*:Enabled:百度杀毒在线安装程序"

The process zhtray.exe:1208 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "D1 68 B1 7B E9 F6 DF 4D B8 F2 20 7F 28 C0 26 F6"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 42 00 00 00 01 00 00 00 00 00 00 00"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

"IntranetName" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

The process %original file name%.exe:3340 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "16 D9 06 A6 80 86 E3 48 69 8D E8 61 80 FF 66 A8"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\53326_1758253739760]
"DisplayName" = "53326_1758253739760 1.0.2.4"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Programs" = "%Documents and Settings%\%current user%\Start Menu\Programs"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Internet Explorer\Main]
"Start Page" = "http://www.pz100.pw"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\53326_1758253739760]
"Publisher" = "53326_1758253739760"

[HKCU\Software\Microsoft\Internet Explorer\Main]
"Start Page" = "http://www.pz100.pw"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\53326_1758253739760]
"DisplayVersion" = "1.0.2.4"

The process ZhiHui2.3.exe:2016 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "1A 25 F0 FA B3 4A 1A 04 E1 9C BC 3B 58 7C 36 DD"

[HKCU\Software\Microsoft\Internet Explorer\International\CpMRU]
"Size" = "10"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Internet Explorer\International]
"W2KLpk" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKCU\Software\Microsoft\Internet Explorer\International\CpMRU]
"InitHits" = "100"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 44 00 00 00 01 00 00 00 00 00 00 00"

[HKCU\Software\Microsoft\Internet Explorer\International\CpMRU]
"Factor" = "20"
"Enable" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

"IntranetName" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

The process setup_3128.exe:276 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Programs" = "%Documents and Settings%\%current user%\Start Menu\Programs"
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Start Menu" = "%Documents and Settings%\All Users\Start Menu"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\YYMusic2]
"Rd" = "_20140324065726"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ÒôÀÖFM]
"DisplayName" = "YYMusic2"
"Publisher" = "YYMusic2"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"
"CommonMusic" = "%Documents and Settings%\All Users\Documents\My Music"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ÒôÀÖFM]
"DisplayVersion" = "1.0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Start Menu" = "%Documents and Settings%\%current user%\Start Menu"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonVideo" = "%Documents and Settings%\All Users\Documents\My Videos"
"CommonPictures" = "%Documents and Settings%\All Users\Documents\My Pictures"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "96 CA 5E FE A8 48 80 24 5C D8 1E B6 5B 80 9D 5E"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ÒôÀÖFM]
"UninstallString" = "%Program Files%\YYMusic2\20140324065726\Unins.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ÒôÀÖFM]
"DisplayIcon" = "%Program Files%\YYMusic2\20140324065726\Unins.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

The Trojan deletes the following value(s) in system registry:


The Trojan disables automatic startup of the application by deleting the following autorun value:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"YyfmPlay"

"YYMusic2_News"

"YYMusic2"

"BoxNews"

The process YYSpeed.exe:3200 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "01 10 DC 2E 76 B9 FB 21 8C 1E B5 26 0C 2F A7 4B"

The process pczh_100_1.exe:3024 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f3-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Start Menu" = "%Documents and Settings%\All Users\Start Menu"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\°®ÇéÖÇ»Û]
"DisplayName" = "°®ÇéÖÇ»Û"

[HKLM\SOFTWARE\Inzhuii]
"install" = "1"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\°®ÇéÖÇ»Û]
"DisplayVersion" = ""

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
"CommonPictures" = "%Documents and Settings%\All Users\Documents\My Pictures"
"CommonMusic" = "%Documents and Settings%\All Users\Documents\My Music"
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\°®ÇéÖÇ»Û]
"DisplayIcon" = "%Program Files%\azh2.3\uninstall.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
"Templates" = "%Documents and Settings%\%current user%\Templates"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKLM\SOFTWARE\zhbar]
"EN" = "pczh_100_1.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"My Pictures" = "%Documents and Settings%\%current user%\My Documents\My Pictures"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f2-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\zhbar]
"ED" = "100"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Start Menu" = "%Documents and Settings%\%current user%\Start Menu"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 40 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"CommonVideo" = "%Documents and Settings%\All Users\Documents\My Videos"

[HKLM\SOFTWARE\zhbar]
"ET" = "2420143"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "38 A0 0C 6B 0E E7 2A EA 9E EF 04 50 A7 A8 81 3C"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{773a730e-74fb-11e2-b597-000c293bdf2f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Programs" = "%Documents and Settings%\%current user%\Start Menu\Programs"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{fdd9f6f5-7454-11e2-b4cd-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\°®ÇéÖÇ»Û]
"UninstallString" = "%Program Files%\azh2.3\uninstall.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\Zhihui2.3.exe]
"(Default)" = "%Program Files%\azh2.3\Zhihui2.3.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"

The Trojan modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "1"

The Trojan modifies IE settings for security zones to map all web-nodes that bypassing proxy to the Intranet Zone:

"ProxyBypass" = "1"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Trojan modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"

The process YYMusic.exe:3128 makes changes in the system registry.


The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "28 26 1E 81 D8 99 4D 64 A5 6E 05 3D C4 31 4C 4B"

The Trojan deletes the following registry key(s):

[HKLM\SOFTWARE\Microsoft\PCHealth\ErrorReporting\DW]

The Trojan deletes the following value(s) in system registry:

[HKLM\SOFTWARE\Microsoft\PCHealth\ErrorReporting\DW]
"DWFileTreeRoot"

Network activity (URLs)

URL IP
hxxp://hi.petj.org/setup/?name=%original file name%.exe&mac=00-0C-29-3B-DF-2F&md5=cd1bf5c8668f31abd345f75407391ed8&ini=z.ini&v=1.0.2.414.17.69.51
hxxp://shadu.n.shifen.com/index/minidownload/30656
hxxp://baidubrs.dlmix.glb0.lxdns.com/qdmn/cgxndto_30656.exe
hxxp://117.21.189.53/dl1sw.baidu.com/qdmn/cgxndto_30656.exe?wsiphost=local
hxxp://hw.mg.china-glb.net/new/pczh_100_1.txt
hxxp://pxsw.n.shifen.com/
hxxp://bcs.jomodns.com/sw-search-shadu/client/dllv4/BDMReport.dll (ET POLICY PE EXE or DLL Windows file download , Malicious)
hxxp://hw.mg.china-glb.net/up_13.html?03240656
hxxp://dx5.3525.com/tj.php?mac=000C293BDF2F&st=1&exez=pczh_100_1.exe&exef=%original file name%.exe&pass=3a553692ab6116c7c079136d21b41bec&url1=ya.tu&url2=hxxp://google.com/
hxxp://hw.mg.china-glb.net/zhibo2.html?id=pczh_100_1.exe&en=2420143&go=
hxxp://c.split.cnzz.com/stat.php?id=2701879&web_id=2701879
hxxp://sxcdn.fengyunzhibo.com/support/mini/fyminiloader-min.js
hxxp://dx5.3525.com/xin/?ver=131
hxxp://bcs.jomodns.com/sw-search-shadu/client/dllv4/BDMNet.dll (ET POLICY PE EXE or DLL Windows file download , Malicious)
hxxp://baidubrs.dlmix.glb0.lxdns.com/client/new_v1196/0321/Baidusd_Setup_1.0.448.145_Sid_10001_Silent_Defense.exe
hxxp://117.21.189.50/dl1sw.baidu.com/client/new_v1196/0321/Baidusd_Setup_1.0.448.145_Sid_10001_Silent_Defense.exe?wsiphost=local
hxxp://117.21.189.52/dl1sw.baidu.com/client/new_v1196/0321/Baidusd_Setup_1.0.448.145_Sid_10001_Silent_Defense.exe?wsiphost=local
hxxp://117.21.189.55/dl1sw.baidu.com/client/new_v1196/0321/Baidusd_Setup_1.0.448.145_Sid_10001_Silent_Defense.exe?wsiphost=local
jp.download.iyuntian.com123.125.65.154
tk.download.iyuntian.com123.125.69.209
rc.download.iyuntian.com123.125.65.153
s6.cnzz.com1.99.192.15
tv.aiqingzhihui.com173.208.179.99
dlsw.baidu.com61.155.165.27
update.aiqingzhihui.com173.208.179.100
dtrp.download.iyuntian.com123.125.65.150
dl1sw.baidu.com117.21.189.102
cfg.download.iyuntian.com123.125.65.132
res.download.iyuntian.com123.125.65.129
shadu.baidu.com123.125.65.162
en.zjcg.org222.186.60.12
tj.aiqingzhihui.com222.186.130.92
p.x.baidu.com123.125.65.152
utk.download.iyuntian.com123.125.65.147
static.m0dlcdn.kukuplay.com223.82.254.40
down.begrp.org222.186.60.12
xz.fuzhicheng.com173.208.179.99
res2.download.iyuntian.comUnresolvable
qr.download.iyuntian.com Unresolvable
res3.download.iyuntian.comUnresolvable
sn.download.iyuntian.comUnresolvable


HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

Removals

Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.

Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    ogqyacg_30656.exe:3228
    zhtray.exe:1208
    ZhiHui2.3.exe:2016
    setup_3128.exe:276
    pczh_100_1.exe:3024
    YYMusic.exe:3128

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\dl.dll (65930 bytes)
    %Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddlp.bca.bak (8 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsx4.tmp (162199 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMDownload.dll (5520 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\hu.dll (3312 bytes)
    %Documents and Settings%\All Users\Application Data\Baidu\BDDownload\bddl.bca.bak (200 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDLogicUtils.dll (30968 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMNet.dll.bdl (48076 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\n.exe.bdl (197437 bytes)
    %Documents and Settings%\All Users\Application Data\Baidu\Desktop\Global.db (16 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\tmpvfmtk9.dll (87814 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\res\onlineWnd.zip (6360 bytes)
    %Documents and Settings%\All Users\Application Data\Baidu\Common\Global.db (100 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMNetGetInfo.dll (9608 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMReport.dll.bdl (36511 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsn5.tmp\BDMSkin.dll (38495 bytes)
    %Documents and Settings%\%current user%\Application Data\ZhiHui2420143\set.ini (7 bytes)
    %Documents and Settings%\%current user%\Application Data\ZhiHui2420143\set2420143\Setzh2420143.ini (23 bytes)
    %Documents and Settings%\%current user%\Application Data\ZhiHui2420143\min.ini (14 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\NSISdl.dll (14 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\xID.dll (3 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\z.ini (662 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\setup_3128.exe (354959 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\ogqyacg_30656.exe (156554 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\-8531_1_mm.rar (38758 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\pczh_100_1.exe (40033 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\System.dll (11 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsw2.tmp\Md5dll.dll (8 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\SZIS9VJF\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\3F9KLW6F\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\1GGYBZUQ\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\1GGYBZUQ\stat[1].php (1121 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\SZIS9VJF\zhibo2[1].htm (699 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\3F9KLW6F\fyminiloader-min[1].js (660 bytes)
    %Program Files%\YYMusic2\20140324065726\avutil-52.dll (5520 bytes)
    %Program Files%\YYMusic2\20140324065726\Skin\mainframeshadow.png (4992 bytes)
    %Program Files%\YYMusic2\20140324065726\channels.xml (784 bytes)
    %Program Files%\YYMusic2\20140324065726\avcodec-54.dll (23936 bytes)
    %Program Files%\YYMusic2\20140324065726\favorfm.xml (440 bytes)
    %Documents and Settings%\%current user%\Start Menu\Programs\YYMusic2\ÅäÖù¤¾ß\жÔØYYMusic2.lnk (858 bytes)
    %Program Files%\YYMusic2\20140324065726\avcore.dll (2392 bytes)
    %Program Files%\YYMusic2\20140324065726\avformat-54.dll (12536 bytes)
    %Program Files%\YYMusic2\20140324065726\SysConfig.ini (255 bytes)
    %Program Files%\YYMusic2\20140324065726\Data\dh.ini (56 bytes)
    %Program Files%\YYMusic2\20140324065726\Data\setup.ini (110 bytes)
    %Program Files%\YYMusic2\20140324065726\YYMusic.exe (32784 bytes)
    %Program Files%\YYMusic2\20140324065726\Data\version.ini (32 bytes)
    %Program Files%\YYMusic2\20140324065726\DuiLib.dll (16288 bytes)
    %Program Files%\YYMusic2\20140324065726\pthreadGC2.dll (3616 bytes)
    %Program Files%\YYMusic2\20140324065726\Data\user2.ini (15 bytes)
    %Program Files%\YYMusic2\20140324065726\audio.dll (3616 bytes)
    %Program Files%\YYMusic2\20140324065726\source.dll (6584 bytes)
    %Documents and Settings%\%current user%\Start Menu\Programs\YYMusic2\¹Ù·½Ö÷Ò³.lnk (334 bytes)
    %Documents and Settings%\%current user%\Start Menu\Programs\YYMusic2\YYMusic2.lnk (856 bytes)
    %Program Files%\YYMusic2\20140324065726\Data\client.ini (36 bytes)
    %Program Files%\YYMusic2\20140324065726\libav.dll (6360 bytes)
    %Program Files%\YYMusic2\20140324065726\Unins.exe (9608 bytes)
    %Program Files%\YYMusic2\20140324065726\YYSpeed.exe (22552 bytes)
    %Program Files%\YYMusic2\20140324065726\Skin\hotkeytipbk.png (1 bytes)
    %Program Files%\YYMusic2\20140324065726\Skin.rs (29608 bytes)
    %Program Files%\YYMusic2\20140324065726\Skin\progresstooltip.png (3 bytes)
    %Program Files%\YYMusic2\20140324065726\swresample-0.dll (3312 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\tj.html (89 bytes)
    %Program Files%\azh2.3\uninstall.exe (5064 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\System.dll (11 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OVYHJBCC\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Desktop\°®Çé.ÖÇ»Û2.3.lnk (671 bytes)
    %Program Files%\azh2.3\Zhihui2.3.exe (5064 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\OVYHJBCC\tj[1].htm (89 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Inetc.dll (784 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Math.dll (2392 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\Base64.dll (4 bytes)
    %Program Files%\azh2.3\zhtray.exe (5520 bytes)
    %Program Files%\azh2.3\ToolZhSrv.exe (1856 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsr7.tmp (23866 bytes)
    %Documents and Settings%\%current user%\Start Menu\Programs\°®Çé.ÖÇ»Û2.3\°®Çé.ÖÇ»Û2.3.lnk (1366 bytes)
    %Documents and Settings%\%current user%\Start Menu\Programs\°®Çé.ÖÇ»Û2.3\жÔØ.lnk (1366 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\nsh8.tmp\md5dll.dll (8 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\d29e_appcompat.txt (10320 bytes)

  4. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  5. Reboot the computer.
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

Network Activity

Map

Strings from Dumps