W32.Chir.B@mm

W32.Chir.B@mm is a mass-mailing worm and virus that sends itself to email addresses gathered from the compromised computer. It exploits remote vulnerabilities and attempts to infect files.

Protection

• Initial Rapid Release version 30 July 2002
• Latest Rapid Release version 23 November 2009 revision 050
• Initial Daily Certified version 30 July 2002
• Latest Daily Certified version 24 November 2009 revision 005
• Initial Weekly Certified release date 31 July 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: Moderate

Damage

• Damage Level: Low
• Payload: Exploits remote vulnerabilities.
• Modifies Files: Infects specific files.
• Degrades Performance: Mass-mailing emails may degrade performance.

Distribution

• Distribution Level: Medium
• Subject of Email: [USER NAME] is coming !
• Name of Attachment: PP.exe