Stealth Viruses

dreamstime_14852569There is an ongoing war between virus writers and anti-virus software writers. As soon as new viruses are created, anti-virus software is created to neutralise and remove them.

Virus writers have adopted various strategies to fool anti-virus software. One of the most popular and successful ways of fooling anti-virus software is to create a stealth virus. Stealth viruses contain a code that inserts itself between the operating system and the anti-virus software.

Whenever a check is made for a virus, the stealth virus tells the operating system that there is no problem. In this way, the anti-virus software can be ignored and the virus can continue doing its work

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