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  3. W32.Korgo.I

W32.Korgo.I

Risk Level 2: Low

Discovered:
June 7, 2004
Updated:
February 13, 2007 12:24:07 PM
Type:
Worm
Systems Affected:
Windows
CVE References:
CAN-2003-0533


W32.Korgo.I is a variant of W32.Korgo.G. This worm attempts to propagate by exploiting the Microsoft Windows LSASS Buffer Overrun Vulnerability (BID 10108), described in Microsoft Security Bulletin MS04-011. It uses TCP port 445 to do this.

W32.Korgo.I listens on TCP ports 113, 3067, and a random port (256-8191).


Notes:
  • Certified virus definitions, version 06/07/04 rev 49 (20040607.049) and greater are required to detect this threat.
  • Definitions dated prior to June 29, 2004 detect this threat as W32.Korgo.H.
  • Symantec Security Response has developed a removal tool to clean the infections of W32.Korgo.I.


Antivirus Protection Dates

  • Initial Rapid Release version June 7, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 7, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date June 7, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Robert X Wang

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