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  3. W32.Korgo.B

W32.Korgo.B

Risk Level 2: Low

Discovered:
May 24, 2004
Updated:
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
Type:
Worm
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.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium
Writeup By: Takayoshi Nakayama

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