Virus:TR/Monder.ZM
Date discovered:24/06/2008
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:105.984 Bytes
MD5 checksum:49b9275622be885b6f52403ef65f7f30
IVDF version:7.00.05.03 - Tuesday, June 24, 2008

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Symantec: Trojan.Vundo
   •  Mcafee: Vundo trojan
   •  Kaspersky: Trojan.Win32.Monder.zm
   •  TrendMicro: TROJ_VUNDO.CKE
   •  F-Secure: Trojan.Win32.Monder.zm
   •  Sophos: Troj/Virtum-Gen
   •  Panda: Spyware/Virtumonde
   •  Grisoft: Vundo.U
   •  Eset: Win32/Adware.Virtumonde application
   •  Bitdefender: Trojan.Vundo.EWS


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Registry modification

 Registry The following registry key is added in order to run the process after reboot:

– [HKCR\CLSID\{10d22ad6-5876-43e6-8e02-b59521ff11ea}\InprocServer32]
   • @="%malware execution directory%\%malware dll%"
   • "ThreadingModel"="free"



It registers a browser helper object (BHO) by adding the following key:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
   Browser Helper Objects\{10d22ad6-5876-43e6-8e02-b59521ff11ea}]
   • @="{ae11ff12-595b-20e8-6e34-67856da22d01}"



The following registry key is changed:

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows]
   Old value:
   • "AppInit_DLLs"=""
   New value:
   • "AppInit_DLLs"="%malware dll%"

 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 Tuesday, July 29, 2008
Description updated by Thomas Wegele on Tuesday, July 29, 2008

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