W32.Envid.O@mm

W32.Envid.O@mm is a mass-mailing worm that sends email to all addresses found in the Windows Address Book. The email contains a link to a Web site that contains a copy of the worm. The worm lowers security settings by terminating processes related to antivirus and security programs.

Protection

• Initial Rapid Release version April 3, 2005
• Latest Rapid Release version July 26, 2008 revision 017
• Initial Daily Certified version April 3, 2005
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date April 6, 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: High