W32.Ifbo.A

Risk Level 2: Low

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Discovered: May 10, 2005

Updated: February 13, 2007 12:38:44 PM

Also Known As: Hacktool.DCOMScan, Win32.Berkor.A [Computer Assoc, Net-Worm.Win32.Padobot.z [Kasp, Exploit-DcomRpc.gen [McAfee], W32/Doxpar-C [Sophos], WORM_KORGO.AG [Trend Micro]

Type: Worm

Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Ifbo.A is a worm that spreads by exploiting he Microsoft Windows Local Security Authority Service Remote Buffer Overflow (as described in Microsoft Security Bulletin MS04-011) and disables security services.

Note: Virus definitions dated prior to May 11, 2005 may detect this threat as Hacktool.DCOMScan.

Protection

Initial Rapid Release version May 11, 2005
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version May 11, 2005
Latest Daily Certified version January 20, 2009 revision 048
Initial Weekly Certified release date May 11, 2005

Click here 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: 3 - 9
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Medium

Writeup By: Fergal Ladley

Technical Details

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