W32.Korgo.A

Risk Level 2: Low

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Discovered:: May 22, 2004
Updated:: February 13, 2007 12:23:37 PM
Also Known As:: Worm.Win32.Padobot.b [Kaspersk, W32/Korgo.worm.a [McAfee], W32/Korgo-A [Sophos], WORM_KORGO.A [Trend], Win32.Korgo.A [Computer Associ
Type:: Worm
Systems Affected:: Windows 2000, Windows XP

W32.Korgo.A is a worm that attempts to exploit the Microsoft LSASS Windows vulnerability, described in Microsoft Security Bulletin MS04-011. The worm also listens on TCP ports 113, 2041, and 3067, and allows unauthorized access to the infected computer.

Note: Virus definitions dated prior to May 23, 2004 detect this threat as Bloodhound.Packed.

Antivirus Protection Dates

Initial Rapid Release version May 23, 2004
Latest Rapid Release version August 20, 2008 revision 017
Initial Daily Certified version May 23, 2004
Latest Daily Certified version August 20, 2008 revision 016
Initial Weekly Certified release date May 26, 2004

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

Threat Assessment

Wild

Wild Level: Low
Number of Infections: 50 - 999
Number of Sites: 3 - 9
Geographical Distribution: Low
Threat Containment: Easy
Removal: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Medium

Writeup By: Robert X Wang

Technical Details

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Internet Security Threat Report, Volume 16