It does make my job easier when you have a clean system. There are no malicious processes running on your computer. Sir, I certify you virus-free.
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Originally Posted by squeeeb
also, and again, i don't know what i'm talking about, i thought you could attach virii to mpgs and avi's and such using things like Silkrope, which is where i thought i got a virus from porn.
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No. Again, mpegs and avis are container files. They do not contain any code and therefore cannot be a vector for an attack. Silkrope is a cracker utility that appends malware code to an executable, but you can't use it to make a file be something it isn't. What does sometimes occur is that a file will carry a misleading name (for example, xxx.mpg.exe), which causes the user to believe it to be something it's not. However, the bottom line is that a virus can only affect your system if it is run as an executable.
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Originally Posted by Vitter
Honestly, while most of what Martian says is true, when you asked whether its possible for a virus to 'hide' itself, it's not 'yes and no' - it's just plain possible.
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Perhaps I wasn't entirely clear. What I was getting at is that while this is technically possible, it is no longer a common form of attack and current AV software employs counter-measures to prevent it. So yes, it can happen, but it very rarely does.