W32.Korgo.D

Risk Level 2: Low

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Discovered:: May 30, 2004
Updated:: February 13, 2007 12:23:52 PM
Also Known As:: Worm.Win32.Padobot.Gen [Kasper
Type:: Worm
Systems Affected:: Windows 2000, Windows XP

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.

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

Antivirus Protection Dates

Initial Rapid Release version May 31, 2004
Latest Rapid Release version September 28, 2010 revision 054
Initial Daily Certified version May 31, 2004
Latest Daily Certified version September 28, 2010 revision 036
Initial Weekly Certified release date June 2, 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: Moderate

Damage

Damage Level: Medium

Distribution

Distribution Level: Medium

Writeup By: Maryl Magee

Technical Details

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Internet Security Threat Report, Volume 16