W32.Kelvir.II

W32.Kelvir.II is a worm that spreads through MSN Messenger and downloads a copy of another threat, which is a Backdoor.Sdbot variant.

Protection

• Initial Rapid Release version September 14, 2005
• Latest Rapid Release version March 3, 2008 revision 035
• Initial Daily Certified version September 14, 2005
• Latest Daily Certified version March 3, 2008 revision 037
• Initial Weekly Certified release date September 14, 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: Easy

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Medium