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Multi-part Virus Threats, The next threat to hit the net?
NightMist
Posted: March 26, 2008 12:58 pm
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QUOTE ("Robert Lemos")

Dubbed the first "JPEG infector" by security company Network Associates, the W32/Perrun virus has two parts: infected JPEG images that contain the virus's payload and a viral program that extracts the code from the images and infects other JPEGs on the system as they are opened.


I was browsing the net and came across this interesting article, found at http://www.news.com/2100-1001-935746.html

Basically, it's about a virus that has more than one part. There's the infected files as one part, and the other part infects and executes the infected files. At the moment, it's deemed a low risk but I believe this new virus (which is pretty simple to create) can easily be the next "Threat to hit the net".

Why? Because a single part alone is not really a virus, it only acts like a virus when both parts are present and with the main part creating the second part, that's likely to happen. The fact is, the main part won't really look like a virus since there's tons of programs that modify existing files, whether to optimize them, delete them or replace them. Further more, the virus could 'evolve'. How? If the virus were coded to replace itself with an update when it received the correct instructions from an image...

The good thing is that when you delete the main part, the second part is useless until you're re-infected but, unfortunately, it will only take you to be re-infected for the virus the continue exactly where it left off.

From the looks of it, it has potential however, I personally don't think it will be any more problematic than a regular One part virus.

What are your guys' opinions?


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