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ZDNet: Humbug! Xmas [Prilissa Word macro] virus hits 10 companies

Nov 22, 1999, 18:01 (0 Talkback[s])
(Other stories by Jim Kerstetter)

"Anti-virus researchers at Network Associates... said Friday that 10 Fortune 500 companies on three continents have been hit with a new virus called W97/Prilissa. Prilissa is a nasty variant on two better known attacks -- the Melissa worm and the PRI virus. The virus depends on the Windows 95 and 98 operating systems and the Word 97 word processing application."

"The virus itself looks for a registry key to verify if the local system has been infected. If it hasn't, the virus creates a Microsoft Outlook e-mail message with the subject line 'Message From (Office 97 user name)' and a message body that says 'This document is very Important and you've GOT to read this!!!' The first 50 listings from all address books are selected, along with an attachment -- the infected document... If the date is December 25, the virus runs a destructive payload to overwrite the existing C:/AUTOEXEC.BAT file with instructions to format the C drive.

"The virus will not run on Windows NT."

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