W32.Imaut.B

W32.Imaut.B is a worm that spreads through Yahoo! Messenger, AIM, Windows Live Messenger and Windows Messenger. The worm may attempt to download remote files onto the compromised computer and disable Windows Task Manager and Registry tools.

Protection

• Initial Rapid Release version October 8, 2006
• Latest Rapid Release version October 8, 2006
• Initial Daily Certified version October 8, 2006
• Latest Daily Certified version October 8, 2006
• Initial Weekly Certified release date October 11, 2006

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: Low

Distribution

• Distribution Level: Medium