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- Discovered:
- July 29, 2002
- Updated:
- July 30, 2002 7:47:41 PM
- Also Known As:
- Win32.Chir.B [Computer Associates], W32/Chir-B [Sophos], Runouce [F-Secure], PE_CHIR.B [Trend]
- Systems Affected:
- Windows 98, Windows 95, Windows XP, Windows Me, Windows NT, Windows 2000
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.
Antivirus Protection Dates
- Initial Rapid Release version July 30, 2002
- Latest Rapid Release version February 14, 2012 revision 025
- Initial Daily Certified version July 30, 2002
- Latest Daily Certified version February 14, 2012 revision 023
- 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
Writeup By: Yana Liu
