HEUR:Trojan.Win32.Generic (Kaspersky), BehavesLike.Win32.Malware.bsf (vs) (VIPRE), Trojan.Win32.IEDummy.FD, WormRebhip.YR, GenericAutorunWorm.YR, GenericInjector.YR, TrojanDropperVtimrun.YR (Lavasoft MAS)Behaviour: Trojan-Dropper, Trojan, Worm, WormAutorun
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 9580e5667c07f9169e4fb3022894e018
SHA1: 09910e79bc4c9531435eaeed529a6583d09c95d2
SHA256: 94369327935ea190a9c0350025f4bc3f51ab6127a509bfc34f82c67aaf27cc38
SSDeep: 12288:TJY8xhbqaj6ZqdZFEIarF03g/UtZxhXZbkXjnHpdOaIfFr0PnCbMcnYAml8lk WT:TeSqmc3FAg/eBZoXjJdOfFr2nCoSbpkR
Size: 772096 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2008-04-13 21:32:45
Summary: Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).
Dynamic Analysis
Payload
Behaviour | Description |
---|---|
WormAutorun | A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer. |
Process activity
The Trojan creates the following process(es):
WPFFontCache_v0400.exe:3592
1.exe:4008
1.exe:2036
%original file name%.exe:1380
dll32.exe:2200
dll32.exe:712
DW20.EXE:3412
The Trojan injects its code into the following process(es):
iexplore.exe:2760
setup.exe:2364
File activity
The process 1.exe:4008 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%Program Files%\WinDefence\dll32.exe (450560 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\XX--XX--XX.txt (235400 bytes)
The process %original file name%.exe:1380 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\IXP000.TMP\setup.exe (537088 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\1.exe (483328 bytes)
The process iexplore.exe:2760 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\XxX.xXx (7152 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\UuU.uUu (80 bytes)
%Documents and Settings%\%current user%\Application Data\logs.dat (15 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\UuU.uUu (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\XxX.xXx (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\1.exe (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\XX--XX--XX.txt (0 bytes)
The process setup.exe:2364 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%System%\d3d9caps.tmp (664 bytes)
The Trojan deletes the following file(s):
%System%\d3d9caps.dat (0 bytes)
The process DW20.EXE:3412 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\2F2239.dmp (356091 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\dw.log (76 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
Registry activity
The process WPFFontCache_v0400.exe:3592 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4C 1E FC E2 CB 62 B0 3E B5 59 40 16 31 3D 14 E2"
[HKU\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\LocalService\Local Settings\Application Data"
The process 1.exe:4008 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "03 55 03 DA 7A CF 80 C3 F3 67 67 FD 5C 53 FD 2C"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run]
"Policies" = "%Program Files%\WinDefence\dll32.exe"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run]
"Policies" = "%Program Files%\WinDefence\dll32.exe"
[HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components\{72YI3051-7RK7-QTI0-6M50-W8205TD1SWV8}]
"StubPath" = "%Program Files%\WinDefence\dll32.exe Restart"
The process 1.exe:2036 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "97 0C FB 86 12 5F 32 A4 CC 98 1E B0 C9 65 24 66"
The process %original file name%.exe:1380 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "F1 DD C1 48 DE D5 2D AF DE 9C D0 1B 67 97 CF 8A"
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\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\"
The process dll32.exe:2200 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7D 12 37 B4 C4 03 4D 1E C4 42 1B 74 18 66 71 B2"
The process dll32.exe:712 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A2 D5 BF 32 AE CD 65 D6 1F E7 14 02 AD E3 EF 1F"
The process iexplore.exe:2760 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "E6 38 3C F3 5A C7 97 37 4B CE 75 C2 A3 F0 5E 36"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Ãâ€Ã¾ÃºÑƒÃ¼ÃµÃ½Ñ‚Ñ‹"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\àðñþчøù ÑÂтþû"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{91167d45-103d-11db-8c91-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{ebcf8d94-66db-11de-b228-806d6172696f}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{d8c0d8da-77bd-11e0-bb02-000c293bc0fd}]
"BaseClass" = "Drive"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[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\Sly2013]
"NewIdentification" = "Sly2013"
[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\%Program Files%\WinDefence]
"dll32.exe" = "dll32"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\Üþø ôþúуüõýты"
[HKCU\Software\Sly2013]
"FirstExecution" = "09/11/2013 -- 10:07"
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 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 web-nodes that bypassing the proxy to the Intranet Zone:
"ProxyBypass" = "1"
The process setup.exe:2364 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "CF 43 0E A1 FA 21 C1 23 18 11 8B A4 F5 10 60 84"
[HKCU\Software\Microsoft\Direct3D\MostRecentApplication]
"Name" = "setup.exe"
The process DW20.EXE:3412 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "8C 6F 42 48 DD D5 16 24 A8 86 85 F6 A8 70 F6 41"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
[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\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" = "65324"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65324"
[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]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[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"
[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\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 32 00 00 00 01 00 00 00 00 00 00 00"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65324"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\Üþø ôþúуüõýты"
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"
Network activity (URLs)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
A worm can spread via removable drives. It writes its executable and creates "autorun.inf" scripts on all removable drives. The autorun script will execute the Trojan's file once a user opens a drive's folder in Windows Explorer.
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):
WPFFontCache_v0400.exe:3592
1.exe:4008
1.exe:2036
%original file name%.exe:1380
dll32.exe:2200
dll32.exe:712
DW20.EXE:3412 - Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%Program Files%\WinDefence\dll32.exe (450560 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\XX--XX--XX.txt (235400 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\setup.exe (537088 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\IXP000.TMP\1.exe (483328 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\XxX.xXx (7152 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\UuU.uUu (80 bytes)
%Documents and Settings%\%current user%\Application Data\logs.dat (15 bytes)
%System%\d3d9caps.tmp (664 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\2F2239.dmp (356091 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\dw.log (76 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce]
"wextract_cleanup0" = "rundll32.exe %System%\advpack.dll,DelNodeRunDLL32 C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\IXP000.TMP\" - Find and delete all copies of the worm's file together with "autorun.inf" scripts on removable drives.
- Reboot the computer.