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- Discovered:
- January 14, 2003
- Updated:
- February 13, 2007 11:58:11 AM
- Type:
- Worm
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.Sahay.A@mm is a mass-mailing worm that sends email messages to all the addresses in the Microsoft Outlook Address Book. The email message has the following characteristics:
Subject: Fw: Sit back and be surprised..
Attachment: MathMagic.scr
The worm attempts to prepend itself to all the .exe files it finds in the Windows folder and C:\Program Files\Mirc\Download folder. Due to bugs in the worm's code, this threat may crash the computer or corrupt files in these folders. Then, the worm restarts the computer.
Antivirus Protection Dates
- Initial Rapid Release version January 15, 2003
- Latest Rapid Release version September 28, 2010 revision 054
- Initial Daily Certified version January 15, 2003
- Latest Daily Certified version September 28, 2010 revision 036
- Initial Weekly Certified release date January 15, 2003
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
Distribution
- Distribution Level: High
Writeup By: Douglas Knowles
