W97M.Nori.A

W97M.Nori.A is a typical Microsoft Word macro virus that carries a potentially very destructive payload. It spreads by infecting the global template, Normal.dot, and the currently active document. The payload is activated on April 1 of every year, and it deletes either all files on your hard disk (rare) or all the text from the body of infected documents.

Protection

• Initial Rapid Release version June 13, 2002
• Latest Rapid Release version June 13, 2002
• Initial Daily Certified version June 13, 2002
• Latest Daily Certified version June 13, 2002
• Initial Weekly Certified release date June 19, 2002

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: Easy

Damage

• Damage Level: High

Distribution

• Distribution Level: Low