W32.Shelp

W32.Shelp is a worm that propagates by exploiting the Microsoft Windows Local Security Authority Service Remote Buffer Overflow (as described in Microsoft Security Bulletin MS04-011).

Note: Virus definitions dated prior to May 18, 2005 detect this risk as Bloodhound.Exploit.8.

Protection

• Initial Rapid Release version May 18, 2005
• Latest Rapid Release version April 6, 2009 revision 019
• Initial Daily Certified version May 18, 2005
• Latest Daily Certified version April 15, 2009 revision 048
• Initial Weekly Certified release date May 18, 2005

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: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Medium