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Encrypted Virus definition
A virus using encryption to hide itself from virus scanners. That is, the encrypted virus jumbles up its program code to make it difficult to detect.
An encrypted virus's code begins with a decryption algorithm and continues with scrambled or encrypted code for the remainder of the virus. Each time it infects, it automatically encodes itself differently, so its code is never the same. Through this method, the virus tries to avoid detection by anti-virus software.
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