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Trojan.Win32.Sasfis_e0b1d8c395


Gen:Variant.Kazy.317270 (BitDefender), Trojan.Win32.Crilock.c (v) (VIPRE), Trojan.PWS.Stealer.4118 (DrWeb), Gen:Variant.Kazy.317270 (B) (Emsisoft), Gen:Variant.Kazy.317270 (FSecure), PSW.Generic12.UOJ (AVG), Win32:Malware-gen (Avast), Trojan.Win32.Sasfis.FD, GenericInjector.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: e0b1d8c395c9484f021d6abd1fb4c44d

SHA1: 113c4e78bf10fd01fb91e6a63bc1a3bc4614a2e1

SHA256: 003b4868cb8e32a9c3b8ee44621e3a2f4a2beebd93ea7140d4495317ae06a434

SSDeep: 12288:YJr5HwbMnnyo/ht8DK1b34y5vCcWqg3ePCZ0Q53bwnBHNNEWKOtWQnQqc:Yv5nnrDbTvoOPCuQ53uHgWKOtWKQq

Size: 584704 bytes

File type: EXE

Platform: WIN32

Entropy: Not Packed

PEID: UPolyXv05_v6

Company: no certificate found

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):

ping.exe:1088
m099.exe:1692
%original file name%.exe:1528
vxxxle.exe:1592
hiiin.exe:1936

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

dllhost.exe:948
spoolsv.exe:1432
vxxxle.exe:1564

File activity

The process dllhost.exe:948 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\RHARKP2R\aa[1] (765 bytes)

The Trojan deletes the following file(s):

%Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\RHARKP2R\aa[1] (0 bytes)

The process m099.exe:1692 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 %original file name%.exe:1528 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\m099.exe (193 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\vxxxle.exe (89 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\hiiin.exe (177 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 (47 bytes)

The process hiiin.exe:1936 makes changes in the file system.


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

%Documents and Settings%\%current user%\Application Data\Opera\WIN5.exe (20820 bytes)

Registry activity

The process dllhost.exe:948 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" = "47 B5 00 93 33 E8 AC E7 13 B2 9E 26 80 1C A3 87"

[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"

The process ping.exe:1088 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "53 3A 9D 66 C4 67 5F E8 EF 17 1E 1C 50 4B FE 76"

The process m099.exe:1692 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 1C 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3A 9E D2 19 7C 6F 19 7F D9 F5 33 46 76 66 93 7A"

[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 %original file name%.exe:1528 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "9F 25 C8 E2 29 FF 0C 48 70 70 7F DB E3 E3 BB 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"

[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]
"hiiin.exe" = "hiiin"

[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]
"vxxxle.exe" = "vxxxle"
"m099.exe" = "m099"

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 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\System\CurrentControlSet\Services\405f6bc0]
"imagepath" = "\??\%WinDir%\TEMP\2.tmp"

[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\405f6bc0]
"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\405f6bc0]
[HKLM\System\CurrentControlSet\Services\405f6bc0\Enum]

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

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

The process vxxxle.exe:1564 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 1B 00 00 00 01 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "3B AD 24 08 13 67 85 70 8C 57 61 BB ED 50 8C 6E"

[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 vxxxle.exe:1592 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "84 C5 10 1B 30 B4 F6 90 37 62 5F A3 76 80 0E E1"

The process hiiin.exe:1936 makes changes in the system registry.


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

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B0 CF 41 FC 0B F8 6F 6E 2C AB B6 F0 16 6B A3 BF"

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]
"GameServer50E" = "%Documents and Settings%\%current user%\Application Data\Opera\WIN5.exe"

Network activity (URLs)

URL IP
hxxp://fistristy.com/aa/nn (ET RBN Known Russian Business Network IP group 397 , Malicious)88.208.44.8
hxxp://fistristy.com/aa/
pap-tech.comUnresolvable
net-forwarding.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):

    ping.exe:1088
    m099.exe:1692
    %original file name%.exe:1528
    vxxxle.exe:1592
    hiiin.exe:1936

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

    %Documents and Settings%\NetworkService\Local Settings\Temporary Internet Files\Content.IE5\RHARKP2R\aa[1] (765 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%\%current user%\Local Settings\Temp\m099.exe (193 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\vxxxle.exe (89 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\hiiin.exe (177 bytes)
    %Documents and Settings%\LocalService\Local Settings\Temporary Internet Files\Content.IE5\QLSNQ10Z\9099[1].txt (2 bytes)
    %WinDir%\Temp\2.tmp (47 bytes)
    %Documents and Settings%\%current user%\Application Data\Opera\WIN5.exe (20820 bytes)

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

    [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
    "GameServer50E" = "%Documents and Settings%\%current user%\Application Data\Opera\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