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<p>or structures on a computer. The typical purpose of a virus is to take over a computer to steal data.<br/>
* <a href="page.php?w=Computer_worms">Computer worms</a> are programs that can replicate themselves throughout a computer network.<br/>
* <a href="page.php?w=Ransomware_%28malware%29">Ransomware</a> is a type of malware that restricts access to the computer system that it infects, and demands a ransom in order for the restriction to be removed.<br/>
* <a href="page.php?w=Scareware">Scareware</a> is a program of usually limited or no benefit,</p><p>
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