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W32.Blaster.Worm

Risk Level 2: Low

Discovered:
August 11, 2003
Updated:
December 9, 2003 11:50:19 PM
Systems Affected:
Windows 2000, Windows XP
W32.Blaster.Worm is a worm that propagates by exploiting the Microsoft Windows DCOM RPC Interface Buffer Overrun Vulnerability (BID 8205). It has a date triggered payload that launches a denial of service attack against windowsupdate.com.

Multiple vendors have reported that W32.Blaster.Worm, will cause a denial of service on DCE daemons. This issue is described in BID 8371.

Antivirus Protection Dates

  • Initial Rapid Release version August 11, 2003
  • Latest Rapid Release version May 18, 2013 revision 017
  • Initial Daily Certified version August 11, 2003
  • Latest Daily Certified version May 19, 2013 revision 005
  • Initial Weekly Certified release date August 11, 2003
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: Low

Distribution

  • Distribution Level: Low
Writeup By: Douglas Knowles, Frederic Perriott

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