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  3. W32.Korgo.B


Risk Level 2: Low

May 24, 2004
February 13, 2007 12:23:37 PM
Also Known As:
Worm.W32.Padobot [Kaspersky], W32/Korgo.worm.b [McAfee], WORM_KORGO.B [Trend], W32/Korgo-B [Sophos], Win32.Korgo.B [Computer Associ
Systems Affected:
Windows 2000, Windows XP

W32.Korgo.B is a worm that propagates by exploiting the LSASS vulnerability on TCP port 445 (as 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.

W32.Korgo.B is compressed with UPX compressor.

Antivirus Protection Dates

  • Initial Rapid Release version May 24, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version May 24, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date May 26, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Takayoshi Nakayama

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