W32.Blackmal.C@mm

W32.Blackmal.C@mm is a mass-mailing worm that lowers security settings by deleting files associated with security applications. It sends a copy of itself to all email addresses gathered from the MSN Messenger and Yahoo Pager address books as well as from files with either .htm or .dbx extensions.

Protection

• Initial Rapid Release version September 6, 2004
• Latest Rapid Release version January 19, 2009 revision 039
• Initial Daily Certified version September 6, 2004
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date September 8, 2004

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

• Wild Level: High
• 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: High