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 July 30, 2002
• Latest Rapid Release version February 8, 2010 revision 025
• Initial Daily Certified version July 30, 2002
• Latest Daily Certified version February 8, 2010 revision 038
• Initial Weekly Certified release date July 31, 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