Stealth virus (computers)
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In computer science, a stealth virus is a file virus, that uses special techniques to hide its presence from users and virus scanners. This is achieved by intercepting the read request to the file and returning the content of the original read request to the uninfected file.
When an antivirus program tries to detect the virus, the stealth virus feeds the antivirus program a clean image of the file or boot sector.
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