not-a-virus:Downloader.Win32.Lickone.mh (Kaspersky), CoolMirage Ltd (fs) (VIPRE), Adware.Yontoo.4 (DrWeb), Trojan.NSIS.StartPage.FD, TrojanNSISStartPage.YR (Lavasoft MAS)Behaviour: Trojan, Adware
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 5004c2493cdaf66e1a5b21ef5ea9c86e
SHA1: a158cdaa91b543f302e9969ac7f49f82a26b21ca
SHA256: 95177a6c3c71f310a69d59ae24d9d3f26966e53011ebd332ab59aa64e65e0b0f
SSDeep: 12288:m3svdyDeA AB /jPLLd0m xkHsGXS53e2PHCS/KfG:asIDgAB rPPdkxA1XG3e1SB
Size: 538456 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2009-12-06 00:50:46
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):No processes have been created.The Trojan injects its code into the following process(es):
%original file name%.exe:1980
File activity
The process %original file name%.exe:1980 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\nsf4.tmp\System.dll (11264 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\load_3.bmp (614 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\locate.dll (19456 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\dAg (167 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\back_dis.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\inetc3.dll (35840 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\decline.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\X7VALIDZ\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\skip.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\gCD (6 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept2.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept3.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\trninj.txt (1 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\NSISdl.dll (14848 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\side.bmp (109464 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\nsDialogs.dll (9728 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\1clogo.bmp (146456 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept0.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\UAC.dll (13824 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\complist.txt (125 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept_disabled.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\close.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept1.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf3.tmp (1943196 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\back.bmp (16636 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\X7VALIDZ\country[1].htm (6 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\nsa2.tmp (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\-1 (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp (0 bytes)
Registry activity
The process %original file name%.exe:1980 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65324"
[HKCR\AppID\{C007DADD-132A-624C-088E-59EE6CF0711F}]
"id0" = "27012014"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65324"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 2F 00 00 00 01 00 00 00 00 00 00 00"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\1ClickDownload]
"LastInstall0" = "30350079"
"LastInstall3" = "30350079"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{91167d45-103d-11db-8c91-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{91167d42-103d-11db-8c91-806d6172696f}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\àðñþчøù ÑÂтþû"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65324"
[HKCU\Software\1ClickDownload]
"UID" = "188689060"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65324"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "DF F4 A6 7A 84 BA DD 01 EB CE CD 10 EE 6F 1A 6F"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\àðñþчøù ÑÂтþû"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{d8c0d8da-77bd-11e0-bb02-000c293bc0fd}]
"BaseClass" = "Drive"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{ebcf8d94-66db-11de-b228-806d6172696f}]
"BaseClass" = "Drive"
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 the 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"
Network activity (URLs)
URL | IP |
---|---|
hxxp://torrntvz.com/data.php?p=hdvidcodec | 54.247.67.39 |
hxxp://torrntvz.com/ping.php?partner=ontv--err&product=hdvidcodec&build=18_4 | |
hxxp://data.torntv.net/country.asp?st=-1&uid=188689060&tuid=3061758&sref=ONT_18-4_ontv--err&vmdt=|vm|pm|&bld=18J&cnt=ua | 176.34.177.58 |
torntvz.net | 54.247.67.39 |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):No processes have been created.
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\System.dll (11264 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\load_3.bmp (614 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\locate.dll (19456 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\dAg (167 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\back_dis.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\inetc3.dll (35840 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\decline.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\X7VALIDZ\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\skip.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\gCD (6 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept2.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept3.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\trninj.txt (1 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\NSISdl.dll (14848 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\side.bmp (109464 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\nsDialogs.dll (9728 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\1clogo.bmp (146456 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept0.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\UAC.dll (13824 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\complist.txt (125 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept_disabled.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\close.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept1.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf3.tmp (1943196 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\accept.bmp (16640 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\nsf4.tmp\back.bmp (16636 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\X7VALIDZ\country[1].htm (6 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.