W32.Snone.A

W32.Snone.A is a worm that attempts to propagate by attaching a malicious URL to outgoing MSN Instant Messenger messages.

Protection

• Initial Rapid Release version September 21, 2004
• Latest Rapid Release version August 20, 2008 revision 017
• Initial Daily Certified version September 21, 2004
• Latest Daily Certified version August 20, 2008 revision 016
• Initial Weekly Certified release date September 22, 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