Virus:TR/BHO.abu
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:116.740 Bytes
MD5 checksum:ec660fb2459db14ef0bc74b162c8acb6
VDF version:7.00.06.117

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Mcafee: Downloader-BKT trojan
   •  Kaspersky: Trojan.Win32.FraudPack.gen
   •  F-Secure: Trojan.Win32.FraudPack.gen
   •  Sophos: Mal/EncPk-CZ
   •  Eset: Win32/TrojanDownloader.FakeAlert.JF trojan
   •  Bitdefender: Trojan.Proxy.Agent.BBW


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\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32]
   • @="C:\%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\{500BCA15-57A7-4eaf-8143-8C619470B13D}]
   • @="XML module"



The following registry key is added:

– [HKCR\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}]
   • @="XML Class"
   • "Install"="OK"

 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, December 23, 2008
Description updated by Thomas Wegele on Tuesday, December 23, 2008

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