W32.Zar.A@mm

W32.Zar.A@mm is a mass-mailing worm that uses MAPI to send an email to all addresses in the Microsoft Outlook Address Book. This threat is written in Visual Basic.

Note: Virus definitions dated prior to January 18, 2005 detect this threat as Bloodhound.W32.VBWORM.

Protection

• Initial Rapid Release version January 18, 2005
• Latest Rapid Release version July 26, 2008 revision 017
• Initial Daily Certified version January 18, 2005
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date January 19, 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: Low

Distribution

• Distribution Level: High