W32.Korgo.Z

Risk Level 2: Low

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Discovered:: July 27, 2004
Updated:: February 13, 2007 12:25:49 PM
Also Known As:: WORM_KORGO.AC[Trend], Worm.Win32.Padobot.gen[Kaspers, Win32.Korgo.AC[CA]
Type:: Worm
Systems Affected:: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP

W32.Korgo.Z is a worm that attempts to propagate by exploiting the Microsoft Windows LSASS Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS04-011) on TCP port 445.

Antivirus Protection Dates

Initial Rapid Release version July 28, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version July 28, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date August 4, 2004

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: Easy

Damage

Damage Level: Medium

Distribution

Distribution Level: Medium

Writeup By: Kevin Ha

Technical Details

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Internet Security Threat Report, Volume 16