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W32.Korgo.E

Risk Level 2: Low

Discovered:
May 31, 2004
Updated:
February 13, 2007 12:23:53 PM
Type:
Worm
Systems Affected:
Windows 2000, Windows XP


W32.Korgo.E is a minor variant of W32.Korgo.D. This worm propagates by exploiting the LSASS vulnerability on TCP port 445 (as described in Microsoft Security Bulletin MS04-011). It also opens backdoors on TCP ports 113 and 3067.

W32.Korgo.E is compressed with UPX compressor.


Note: Virus definitions version 60408w (extended version 4/8/2004 rev. 23) detect this threat as Bloodhound.Packed.

Antivirus Protection Dates

  • Initial Rapid Release version June 1, 2004
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version June 1, 2004
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date June 1, 2004
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Medium
  • Number of Infections: 50 - 999
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Moderate

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium
Writeup By: Asuka Yamamoto

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