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Polymorphic [1] 1990 First virus family to use polymorphic encryption 4K: 4096 DOS 1990-01 The first known MS-DOS-file-infector to use stealth 5lo: DOS 1992-10 Infects .EXE files only Abraxas: Abraxas5 DOS, Windows 95, 98 [1] 1993-04 Europe: ARCV group Infects COM file. Disk directory listing will be set to the system date and time when ...
Metamorphic code is used by some viruses when they are about to infect new files, and the result is that the next generation will never look like current generation. The mutated code will do exactly the same thing (under the interpretation used), but the child's binary representation will typically be completely different from the parent's.
The first known polymorphic virus was written by Mark Washburn. The virus, called 1260, was written in 1990. A better-known polymorphic virus was created in 1992 by the hacker Dark Avenger as a means of avoiding pattern recognition from antivirus software. A common and very virulent polymorphic virus is the file infecter Virut.
A polymorphic engine (sometimes called mutation engine or mutating engine) is a software component that uses polymorphic code to alter the payload while preserving the same functionality. Polymorphic engines are used almost exclusively in malware , with the purpose of being harder for antivirus software to detect.
Oligomorphic code, also known as semi-polymorphic code, is a method used by a computer virus to obfuscate its decryptor by generating different versions of it, in order to evade detection by antivirus software. It is similar to, but less sophisticated than, polymorphic code. [1]
Win32/Simile (also known as Etap and MetaPHOR) is a metamorphic computer virus written in assembly language for Microsoft Windows. [1] The virus was released in its most recent version in early March 2002. It was written by the virus writer "Mental Driller".
The Solar Buddy has become a cult hit among parents who say it's easy to get their kiddos to wear sunscreen. "This has been a great add to our diaper bag," said one five-star reviewer. "We live in ...
CrySyS stated in their report that "sKyWIper is certainly the most sophisticated malware we encountered during our practice; arguably, it is the most complex malware ever found". [77] August 16: Shamoon is a computer virus designed to target computers running Microsoft Windows in the energy sector. Symantec, Kaspersky Lab, and Seculert ...