TR/Vundo.GT - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/Vundo.GT
Date discovered:	16/05/2008
Type:	Trojan
In the wild:	No
Reported Infections:	Low to medium
Distribution Potential:	Low
Damage Potential:	Low to medium
Static file:	Yes
File size:	29.824 Bytes
MD5 checksum:	60d4769dcdf9eb16356af5ab135c1b5e
IVDF version:	7.00.04.47 - Fri, 16 May 2008 09:01 (GMT+1)

General Method of propagation:
   • No own spreading routine

Aliases:
   • Mcafee: Vundo trojan
   • Panda: Spyware/Virtumonde
   • Eset: Win32/Adware.Virtumonde application
   • Bitdefender: Trojan.Vundo.EMO

Platforms / OS:
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Registry modification
   • Steals information
   • Third party control

Files It copies itself to the following location:
• %SYSDIR%\%random character string%.dll

It deletes the initially executed copy of itself.

Registry The following registry keys are added:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\
   %random character string%]
   • "Asynchronous"=dword:00000001
   • "DllName"="%malware dll%
   • "Impersonate"=dword:00000000
   • "Logon"="o"
   • "Logoff"="f"

– [HKCR\CLSID\%generated CLSID%\InprocServer32]
   • @=" %SYSDIR%\%malware dll%"
   • "ThreadingModel"="Both"

Backdoor Contact server:
One of the following:
• http://82.98.235.**********
• http://65.243.103.**********

As a result it may send information and remote control could be provided.

File details Programming language:
The malware program was written in MS Visual C++.

Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

See a brief description here.

Description inserted by Thomas Wegele on Fri, 06 Jun 2008 11:29 (GMT+1)
Description updated by Thomas Wegele on Fri, 06 Jun 2008 11:43 (GMT+1)

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