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Trojan.Win32.Sasfis_b1fc38e519


Gen:Variant.Strictor.47977 (BitDefender), Trojan:Win32/Meredrop (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Click3.4768 (DrWeb), Gen:Variant.Strictor.47977 (B) (Emsisoft), RDN/Generic Dropper!ss (McAfee), Trojan.Gen.2 (Symantec), Trojan-Ransom.Win32.PornoAsset (Ikarus), Gen:Variant.Strictor.47977 (FSecure), TROJ_GEN.R021C0CAF14 (TrendMicro), Trojan.Win32.Sasfis.FD, GenericInjector.YR, BankerGeneric.YR (Lavasoft MAS)Behaviour: Banker, Ransom, Trojan

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

Summary

MD5: b1fc38e51932cfecfb60f94de3102cbc

SHA1: a869e52dc48f8df936d400b02f70aca330362b73

SHA256: a41c2e32bc96d44e19f1ba9809e0cf5ab2fca5362858f8fe1f354d75e3cd7dd1

SSDeep: 12288:35X8J3bovDNYsj62Ed9ZVb0MCK5hN5BMIA:35MtbkDNXj62EvZVD3/M

Size: 551936 bytes

File type: EXE

Platform: WIN32

Entropy: Not Packed

PEID: UPolyXv05_v6

Company: (?) ?? ??????

Created at: 1988-02-24 03:51:46

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):

%original file name%.exe:1348
vxx1.exe:1556
ping.exe:376
mm909.exe:1912
hiiu.exe:344
dllhost.exe:1904

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

vxx1.exe:420
spoolsv.exe:1432

File activity

The process %original file name%.exe:1348 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\hiiu.exe (170 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\mm909.exe (179 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\vxx1.exe (81 bytes)

The process mm909.exe:1912 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\1.tmp (673 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CHEZ8TER\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CHEZ8TER\9099[1].txt (2 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (0 bytes)

The process spoolsv.exe:1432 makes changes in the file system.


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

%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5\QLSNQ10Z\9099[1].txt (2 bytes)
%WinDir%\Temp\2.tmp (38 bytes)

The process hiiu.exe:344 makes changes in the file system.


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

%Documents and Settings%\%current user%\Application Data\Adobe\WIN5.exe (20660 bytes)

The process dllhost.exe:1904 makes changes in the file system.


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

%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\KONHPUJW\aa[1] (765 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\KONHPUJW\aa[1] (0 bytes)

Registry activity

The process %original file name%.exe:1348 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7E 4C A5 A4 66 67 14 D0 D9 84 F1 3B 32 E2 84 76"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{5c14c4f6-74da-11e2-81b0-000c29ec7fc5}]
"BaseClass" = "Drive"

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

[HKLM\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication]
"ID" = "572662306"

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

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"vxx1.exe" = "vxx1"

[HKLM\SOFTWARE\Microsoft\DirectDraw\MostRecentApplication]
"Name" = "%original file name%.exe"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

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

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"mm909.exe" = "mm909"

[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"

"Startup" = "%Documents and Settings%\%current user%\Start Menu\Programs\Startup"
"Personal" = "%Documents and Settings%\%current user%\My Documents"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp]
"hiiu.exe" = "hiiu"

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 urls to the Intranet Zone:

"IntranetName" = "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 process vxx1.exe:420 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]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKCU\Software\Yglsehhsrs]
"License" = "456"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

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

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

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

[HKLM\SOFTWARE\Yglsehhsrs]
"License" = "456"

[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" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1C 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "21 94 10 A2 11 17 9E D0 9D 7C 83 AC D0 6B E7 9F"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[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"

[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"

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 vxx1.exe:1556 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "0D B5 4E D8 6A 8D 79 FF 86 72 C3 D4 E4 11 7F FC"

The process ping.exe:376 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "18 ED 4A 1B 25 0F 47 A4 FF 35 B5 7C D6 97 1E 22"

The process mm909.exe:1912 makes changes in the system registry.


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

[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\3.tmp,"

[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" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

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

"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[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]
"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" = "65452"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 1B 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7E 65 FE C6 2B 89 F3 46 F3 69 D5 57 8C 08 0C 58"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[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"

[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"

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 spoolsv.exe:1432 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]
"Directory" = "%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 03 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\System\CurrentControlSet\Services\fde7af70]
"imagepath" = "\??\%WinDir%\TEMP\2.tmp"
"type" = "1"

[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" = "65452"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\LocalService\Local Settings\History"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\3.tmp, , \??\%WinDir%\TEMP\4.tmp,"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\LocalService\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

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

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

Proxy settings are disabled:

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

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:

[HKU\.DEFAULT\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"

The Trojan deletes the following registry key(s):

[HKLM\System\CurrentControlSet\Services\fde7af70\Enum]
[HKLM\System\CurrentControlSet\Services\fde7af70]

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

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyOverride"
"AutoConfigURL"
"ProxyServer"

The process hiiu.exe:344 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "2A 81 DD 58 03 23 94 EF A9 AC C7 3A C8 FE F6 60"

To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"GameServer50B" = "%Documents and Settings%\%current user%\Application Data\Adobe\WIN5.exe"

The process dllhost.exe:1904 makes changes in the system registry.


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

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1A06" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Friendly http errors" = "no"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1A04" = "0"
"1A03" = "0"
"1A02" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MAXCONNECTIONSPER1_0SERVER]
"iexplore.exe" = "16"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1604" = "3"
"1206" = "0"
"1200" = "0"
"1A05" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1605" = "3"
"1406" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"DisableScriptDebuggerIE" = "no"

[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"UseSWRender" = "1"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1809" = "0"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"WarnOnZoneCrossing" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_MAXCONNECTIONSPERSERVER]
"iexplore.exe" = "16"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"2104" = "3"
"2105" = "3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\Cache3"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 05 00 00 00 01 00 00 00 00 00 00 00"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"2101" = "0"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"WarnOnPostRedirect" = "0"
"ConnectRetries" = "20"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"WarnOnPost" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Enable AutoImageResize" = "no"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"EnableHttp1_1" = "1"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"WarnOnBadCertRecving" = "0"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"2500" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION]
"iexplore.exe" = "6000"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxHttpRedirects" = "50"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BLOCK_INPUT_PROMPTS]
"iexplore.exe" = "1"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1C00" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Disable Script Debugger" = "no"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1A10" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Error Dlg Displayed On Every Error" = "no"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"CurrentLevel" = "0"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"KeepAliveTimeout" = "1200000"
"ServerInfoTimeout" = "600000"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1609" = "3"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\International]
"AcceptLanguage" = "en-US"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\NetworkService\Cookies"
"History" = "%Documents and Settings%\NetworkService\Local Settings\History"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MaxConnectionsPerServer" = "16"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Display Inline Images" = "yes"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1402" = "3"

"1400" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CachePath" = "%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\Cache4"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"EnableAlternativeCodec" = "no"
"PlaySounds" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\Cache2"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "07 5F 2E A8 43 F8 00 F0 72 70 97 DB 36 73 25 7A"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"GlobalUserOffline" = "0"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1804" = "3"
"1803" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\Cache1"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Play_Animations" = "no"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"CertificateRevocation" = "0"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Play_Background_Sounds" = "no"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ReceiveTimeout" = "1200000"
"MaxConnectionsPer1_0Server" = "16"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1607" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_GPU_RENDERING]
"iexplore.exe" = "1"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"2300" = "3"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1608" = "0"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_WARN_ON_SEC_CERT_REV_FAILED]
"iexplore.exe" = "0"

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3]
"1601" = "0"
"1806" = "3"

[HKU\.DEFAULT\Software\Microsoft\Internet Explorer\Main]
"Enable Browser Extensions" = "no"

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

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

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

"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"

Proxy settings are disabled:

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

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

[HKU\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyOverride"
"AutoConfigURL"
"ProxyServer"

Network activity (URLs)

URL IP
hxxp://109.163.239.226/magazine/large/
hxxp://fistristy.com/aa/nn (ET RBN Known Russian Business Network IP group 397 , Malicious)88.208.44.8
hxxp://fistristy.com/aa/
hxxp://109.163.239.226/magazine/small/
inpdfconvers.com37.59.15.143
antispyes.comUnresolvable


HOSTS file anomalies

No changes have been detected.

Rootkit activity

Using the driver "UNKNOWN" the Trojan controls loading executable images into a memory by installing the Load image notifier.



The Trojan intercepts DriverStartIO in a miniport driver of a hard drive controller (ATAPI) to handle request to its own files:

StartIo

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. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    %original file name%.exe:1348
    vxx1.exe:1556
    ping.exe:376
    mm909.exe:1912
    hiiu.exe:344
    dllhost.exe:1904

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

    %Documents and Settings%\%current user%\Local Settings\Temp\hiiu.exe (170 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\mm909.exe (179 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\vxx1.exe (81 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\1.tmp (673 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CHEZ8TER\desktop.ini (67 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\CHEZ8TER\9099[1].txt (2 bytes)
    %Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5\QLSNQ10Z\9099[1].txt (2 bytes)
    %WinDir%\Temp\2.tmp (38 bytes)
    %Documents and Settings%\%current user%\Application Data\Adobe\WIN5.exe (20660 bytes)
    %Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\KONHPUJW\aa[1] (765 bytes)

  5. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "GameServer50B" = "%Documents and Settings%\%current user%\Application Data\Adobe\WIN5.exe"

  6. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  7. 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