W32.Yanz.B@mm

W32.Yanz.B@mm is a mass-mailing worm that uses its own SMTP engine to send itself to the email addresses that it retrieves from the infected computer.

This threat is written in the Microsoft Visual C++ programming language.

Protection

• Initial Rapid Release version November 23, 2004
• Latest Rapid Release version August 20, 2008 revision 017
• Initial Daily Certified version November 23, 2004
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date November 23, 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: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: High