W32.Blaster.Worm

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.

Protection

• Initial Rapid Release version August 11, 2003
• Latest Rapid Release version August 20, 2008 revision 017
• Initial Daily Certified version August 11, 2003
• Latest Daily Certified version August 20, 2008 revision 016
• 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