W32.Bofra.D@mm

W32.Bofra.D@mm is a mass-mailing worm that exploits the Microsoft Internet Explorer Malformed IFRAME Remote Buffer Overflow Vulnerability (as described in Microsoft Security Bulletin MS04-040). The worm also spreads by sending an email to the addresses that it finds on the infected computer.

Notes:

• Virus definitions dated November 16, 2004 or earlier may detect this threat as W32.Mydoom.AH@mm.
• Rapid Release definitions 11/16/2004 rev. 54 with sequence number 38486 or later will detect this threat as W32.Bofra.D@mm.

Protection

• Initial Rapid Release version November 8, 2004
• Latest Rapid Release version July 26, 2008 revision 017
• Initial Daily Certified version November 8, 2004
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date November 8, 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: More than 10
• Geographical Distribution: Low
• Threat Containment: Easy
• Removal: Easy

Damage

• Damage Level: Medium

Distribution

• Distribution Level: High