TR/BHO.abu - Trojan

See also

Summary

Full description

Statistics

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 - Thu, 04 Sep 2008 18:04 (GMT+1)

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.

See a brief description here.

Description inserted by Thomas Wegele on Tue, 23 Dec 2008 13:28 (GMT+1)
Description updated by Thomas Wegele on Tue, 23 Dec 2008 13:41 (GMT+1)

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