WM/PolyPoster virus steals user documents and posts them on usenet newsgroup boards.
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
WM/PolyPoster virus steals user documents and posts them on usenet newsgroup boards.This virus uses advanced replication methods to spread within Microsoft Word documents. Once a machine becomes infected by the virus, all Word documents manipulated in it will become infected and the virus will spread within them to new machines.However, the most disturbing part of the virus is in it's activation routine. The virus activates at random times, and will try to send the user's Word documents to Usenet newsgroups. As an end result, the virus could post, for example, company confidential data or highly personal material in an open cyber-forum.The virus tries to send infected files to these newsgroups:
With these subjects:
The message itself looks like its coming from the real user of the Forte Agent newsreader. The content of the message is supposed to be this text:
Which in fact is the text "WM/Agent by Lord Natas" encrypted with the ROT-13 system.The messages posted by the virus look like they are coming from the real user of the machine, complete with the user name and signature.To top it all, the posted documents are always infected by the virus, and users who view them in Word will thus get infected, allowing the virus to spread from their machines.WM/PolyPoster is only able to spread if the Forte Agent newsreader is installed. Forte Agent is one of the most common newsreaders, with several millions of users.
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