W32.Korgo.D

W32.Korgo.D is a minor variant of W32.Korgo.C. This worm propagates by exploiting the LSASS vulnerability on TCP port 445 (as described in Microsoft Security Bulletin MS04-011) and opens a backdoor on TCP ports 113 and 3067.

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Note: Definitions dated before May 31, 2004 may detect this threat as "Bloodhound.Packed."

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Protection

• Initial Rapid Release version May 31, 2004
• Latest Rapid Release version July 19, 2008 revision 019
• Initial Daily Certified version May 31, 2004
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date June 2, 2004

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: 0 - 2
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Medium