Virus:TR/Monder.33280.1
Date discovered:12/06/2008
Type:Trojan
In the wild:No
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:33.280 Bytes
MD5 checksum:d88afa5a154d9531f29f80af8271a2a3
IVDF version:7.00.04.184 - Thursday, June 12, 2008

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: Trojan.Win32.Monder.gen
   •  F-Secure: Trojan.Win32.Monder.gen
   •  Grisoft: Vundo.T
   •  Eset: Win32/Adware.Virtumonde application

Similar detection:
   •  TR/Monder.%number%


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.

Description inserted by Thomas Wegele on Wednesday, June 18, 2008
Description updated by Thomas Wegele on Wednesday, June 18, 2008

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