Trojan.Generic.3243590 (BitDefender), Trojan:Win32/Alureon.CT (Microsoft), Trojan.Win32.TDSS.beeb (Kaspersky), Worm.Win32.Vundo.B (v) (VIPRE), Trojan.Packed.2936 (DrWeb), Trojan.Generic.3243590 (B) (Emsisoft), DNSChanger.at (McAfee), Trojan.FakeAV!gen25 (Symantec), Trojan.Win32.Alureon (Ikarus), Trojan.Generic.3243590 (FSecure), Vundo.KN (AVG), Win32:Jifas-EG [Trj] (Avast), TROJ_VUNDO.SMAT (TrendMicro), Trojan.Generic.3243590 (AdAware), Tdl4.YR (Lavasoft MAS)Behaviour: Trojan, Worm, Fake-AV, Packed
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 598fd08a9d4d6fa9ba3464759634888c
SHA1: 940c2452c0b547b1933587e9b301754de2242142
SHA256: 410359dbf7fd5f3ef5e2bb7acbd44baf635b0c2ca67c5e126b96a3334201b2c5
SSDeep: 1536:CVEpsVpOhtgZKMd82cXVfaFXuoraLo0mxgFy:7sVpyzM8xaFXuowbogFy
Size: 79872 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: Rapiddown
Created at: 2010-02-23 13:34:15
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:1760
The Trojan injects its code into the following process(es):
spoolsv.exe:1444
File activity
The process spoolsv.exe:1444 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):
%WinDir%\Temp\4A.tmp (28160 bytes)
The Trojan deletes the following file(s):
%WinDir%\Temp\4A.tmp (0 bytes)
The process %original file name%.exe:1760 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 (8192 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\48.tmp (79872 bytes)
The Trojan deletes the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\49.tmp (0 bytes)
Registry activity
The process spoolsv.exe:1444 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\System\CurrentControlSet\Services\lnsvmkosetuiqdm]
"Type" = "1"
[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\test\LOCALS~1\Temp\4B.tmp, , \??\%WinDir%\TEMP\4C.tmp,"
[HKLM\System\CurrentControlSet\Control\Print\Providers]
"Order" = "LanMan Print Services, Internet Print Provider, tdl"
[HKLM\System\CurrentControlSet\Services\lnsvmkosetuiqdm]
"ImagePath" = "\??\%WinDir%\TEMP\4A.tmp"
[HKLM\System\CurrentControlSet\Control\Print\Providers\tdl]
"Name" = "C:\DOCUME~1\test\LOCALS~1\Temp\49.tmp"
The Trojan deletes the following registry key(s):
[HKLM\System\CurrentControlSet\Services\lnsvmkosetuiqdm]
[HKLM\System\CurrentControlSet\Services\lnsvmkosetuiqdm\Enum]
[HKLM\System\CurrentControlSet\Control\Print\Providers\tdl]
The process %original file name%.exe:1760 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "33 9E 3C 1D 52 4D F9 DB 09 9C 87 A1 7E CC 01 B8"
[HKLM\System\CurrentControlSet\Control\Session Manager]
"PendingFileRenameOperations" = "\??\C:\DOCUME~1\test\LOCALS~1\Temp\4B.tmp,"
Network activity (URLs)
No activity has been detected.
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
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Scan a system with an anti-rootkit tool.
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:1760
- Delete the original Trojan file.
- Delete or disinfect the following files created/modified by the Trojan:
%WinDir%\Temp\4A.tmp (28160 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp (8192 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\48.tmp (79872 bytes) - Reboot the computer.