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W32.Korgo.R

Risk Level 2: Low

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Discovered:
June 24, 2004
Updated:
February 13, 2007 12:24:25 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows XP


W32.Korgo.R is a variant of W32.Korgo.M. This worm attempts to propagate by exploiting the Microsoft Windows LSASS Buffer Overrun Vulnerability (described in Microsoft Security Bulletin MS04-011) on TCP port 445. It also listens on TCP port 113 and other random ports between 2000 and 8192.
Note: Symantec Security Response has developed a removal tool to clean the infections of W32.Korgo.R.

Antivirus Protection Dates

  • Initial Rapid Release version June 25, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 25, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date June 25, 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: Low

Distribution

  • Distribution Level: Medium
Writeup By: Kevin Ha
Summary| Technical Details| Removal

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