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Malwares

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An obfuscation technique (also called Polymorphism) is a way of constructing a malware that make it more difficult to detect. If a malware is hard to detect, it is likely to spread more widely. The following are commonly used obfuscation techniques: Self-Encryption and Self-Decryption. Some viruses can encrypt and decrypt their virus code bodies, concealing them from direct examination. Viruses that employ encryption might use multiple layers of encryption or randomcryptographic keys, which make each instance of the…