W32.Yami.A

W32.Yami.A is a file infector virus that infects Windows Portable Executable (PE) files on Windows XP systems. It injects itself into kernel memory and monitors file activity. The virus uses slack space to infect executable files, therefore infected files will not increase in size.

Protection

• Initial Rapid Release version May 21, 2005
• Latest Rapid Release version July 26, 2008 revision 017
• Initial Daily Certified version May 21, 2005
• Latest Daily Certified version January 20, 2009 revision 048
• Initial Weekly Certified release date May 24, 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: Easy

Damage

• Damage Level: High

Distribution

• Distribution Level: Low