W32.Alcra.F

W32.Alcra.F is a worm that attempts to propagate through various file-share networks accessible with BearShare, LimeWire, Morpheus and Shareaza applications. It also attempts to disable several programs on the compromised computer and drops a variant of W32.Spybot.Worm onto the compromised computer.

Protection

• Initial Rapid Release version February 17, 2006
• Latest Rapid Release version August 2, 2008 revision 020
• Initial Daily Certified version February 17, 2006
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date February 22, 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: Moderate

Damage

• Damage Level: Medium

Distribution

• Distribution Level: Medium