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- Discovered:
- November 8, 2002
- Updated:
- February 13, 2007 11:49:56 AM
- Also Known As:
- Worm_Pibi.B
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.Jonbarr.C@mm is a variant of the W32.Jonbarr@mm worm. It is a mass-mailing worm that uses its own SMTP engine to send itself to all the email addresses it finds in the .htm files and in the temporary Internet files.
This worm also attempts to spread across the mIRC, KaZaA, eDonkey2000, Bearshare, and Morpheus file-sharing networks. The email message has the following characteristics:
Subject:
WindowsXP Service Release Pack 2.002
or
Re:hya
From: "Microsoft" <support@microsoft.com>
Reply-To: "Microsoft" <microsoft@microsoft.com>
Message: Istall the program in the attachment.
Attachment: Install.exe
If the current system date is October 18, W32.Jonbarr.C@mm will display a message with the title, "I-Worm/PiecebyPiece.B by MI_pi..."
W32.Jonbarr.C@mm is written in the Microsoft C++ programming language and is compressed with UPX.
Antivirus Protection Dates
- Initial Rapid Release version November 11, 2002
- Latest Rapid Release version November 11, 2002
- Initial Daily Certified version November 11, 2002
- Latest Daily Certified version November 11, 2002
- Initial Weekly Certified release date November 13, 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: Easy
Damage
- Damage Level: Low
Distribution
- Distribution Level: Low
Writeup By: Yana Liu
