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Viruses can be classified into different categories according to how they behave. What's a stealth virus?
They evade detection by minimizing the number of files or systems they infect
They conduct actions, such as altering time stamps in files, to make them more difficult to detect
They infect multiple times for more sophisticated attacks
They change form in each infection in order to evade detection
Stealth viruses make changes to the files they infect in order to evade detection.
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