Techno-News Blog Ray Schroeder, editor, OTEL - University of Illinois at Springfield |
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Saturday, June 15, 2002
http://www.sophos.com/virusinfo/articles/perrun.html Picture this: a virus in a JPEG Sophos advises on threat posed by new .JPG virus, and urges anti-virus companies to exercise restraint. Sophos, a world leader in corporate anti-virus protection, today called for the anti-virus industry to act responsibly in light of the discovery of the first virus capable of infecting JPEG graphic files. The virus, known as W32/Perrun-A was sent directly to the anti-virus community by its author and is considered to be a "proof of concept". It spreads in the form of a traditional Win32 executable virus (usually called proof.exe), making changes to the Registry to mean that JPEG (.JPG) graphic files are examined by an extractor (called EXTRK.EXE) before they can be viewed. If the extractor finds viral code inside the graphic file it is executed....
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