The "MATRIX" virus/worm a.k.a. W95.MTX,W32/MTX@mm, I-Worm.MTX, MTX_.exe, W32/Apology, W32/Apology-B Alert...
This question was answered on October 20, 2000. Much of the information contained herein may have changed since posting.
The "Matrix" Virus/Worm is on the loose and in wide distribution, according to Symantec AntiVirus Research Center and McAfee's AVERT system.
This new strain incorporates a "file infector" scheme that can quickly corrupt hundreds or thousands of program files on your computer and can quickly spread across a network.
It will typically be spread through an attached file in an e-mail message The known attachments are as follows:
For those files with .pif extensions, the .pif extension might not be visible in your mail program.
If you see any messages with the above attachement, delete them immediately.
Both Norton Anti-Virus and McAfee's VirusScan have updated their programs to fight this strain, so be sure to download the latest updates for these programs.
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Posted by Ken Colburn of Data Doctors on October 20, 2000