TR/BHO.czo - Trojan

See also

Summary

Full description

Statistics

Virus:	TR/BHO.czo
Date discovered:	24/07/2008
Type:	Trojan
In the wild:	No
Reported Infections:	Low
Distribution Potential:	Low
Damage Potential:	Low
Static file:	No
File size:	~313.856 Bytes
IVDF version:	7.00.05.160 - Thu, 24 Jul 2008 08:15 (GMT+1)

General Method of propagation:
   • No own spreading routine

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

Side effects:
   • Drops a file
   • Registry modification

Files The following file is created:

– Non malicious file:
• %home%\Application
Data\Microsoft\Crypto\RSA\S-1-5-21-602162358-2077806209-839522115-1003

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

– [HKCR\CLSID\{2091569e-6d42-33a3-3e35-602d17233ca3}\InProcServer32]
   • @="%malware execution directory%\%malware dll%"
   • "ThreadingModel"="Apartment"

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

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\
   Browser Helper Objects\{2091569e-6d42-33a3-3e35-602d17233ca3}]
   • "NoExplorer"="\"\""

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

See a brief description here.

Description inserted by Thomas Wegele on Tue, 05 Aug 2008 13:01 (GMT+1)
Description updated by Philipp Wolf on Tue, 05 Aug 2008 14:22 (GMT+1)

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