What is Polymorphism Malware

Polymorphism refers to self-replicating malware that takes on a different structure than the original.  Polymorphism is a type of disguise that was at first embraced by malware writers in order to defeat the simple string searches antivirus engines employed to discover malware on a given host. Antivirus companies soon countered this method. In any case, the encryption procedure that is the center of polymorphism has kept on developing to guarantee survivability of the malware on a host with security. The following illustration shows a typical process employed by a polymorphic engine.  As should be obvious, every cycle of the malware is totally extraordinary. This system makes it more troublesome for antivirus programs to detect the iteration of the malware. As a rule, antivirus engines search for the base static code of the malware in order to detect it, or in some cases, they use a behavioral approach and attempt to identify whether the newly added file behaves like malware.



What is Metamorphism Malware

What is Oligomorphic Malware


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