Infostealer.Bankash.G

Risk Level 1: Very Low

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Discovered:: January 3, 2006
Updated:: February 13, 2007 12:54:24 PM
Also Known As:: Win32/SillyDl.ZZ [Computer Ass, Trojan-Downloader.Win32.Small., Downloader-ASE [McAfee], PWS-Banker.j.dll [McAfee], Troj/Banker-TH [Sophos], TROJ_DLOADER.ATJ [Trend Micro], PWSteal.Bankash.G
Type:: Trojan Horse
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

Infostealer.Bankash.G is a Trojan horse program that attempts to steal user names and passwords from the compromised computer and lowers security settings.

It is reported that the Trojan is downloaded by malformed .wmf files that utilize Microsoft Windows Graphics Rendering Engine WMF Format Unspecified Code Execution Vulnerability (as described in Microsoft Security Advisory 912840).

NOTE : Definitions prior to May 10, 2006 may detect this threat as PWSteal.Bankash.G

Antivirus Protection Dates

Initial Rapid Release version January 3, 2006
Latest Rapid Release version January 12, 2011 revision 025
Initial Daily Certified version January 3, 2006
Latest Daily Certified version January 12, 2011 revision 039
Initial Weekly Certified release date January 4, 2006

Click for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 0 - 49
Number of Sites: 0 - 2
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Low

Writeup By: Kaoru Hayashi

Technical Details

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Internet Security Threat Report, Volume 16