In discussing spyware with someone, he told me he heard that there are virus/spyware/hijacker programs that can actually store themselves somewhere on the computer that cannot be removed. Meaning you can format the hard drive and turn off the computer and then when you reload an OS, the virus will comeback. He actually said it is stored on the cmos battery, but nothing can be stored on a battery, so I believe he means in the CMOS chip itself when an EPROM is used for the BIOS, or somewhere else in Flash memory or something.
I say impossible, or highly unlikely if not impossible. Has anyone ever heard of such a thing, or is this a case of someone stretching the truth and starting an urban legend of sorts?
Spyware stored on a clean system
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