Referências
[1] Nachenberg, C - "Understanding and Managing Polymorphic Viruses", The Symantec Enterprise Papers, vol. XXX, Novembro 1996.
[2] Ször, P and Ferrie, P - "Hunting for Metamorphic", Virus Bulletin Conference, pp. 123-143, vol. XXX, Setembro 2001.
[3] Nakayama, T - "W32.Changeup: Visual Basic Polymorphic Code Uncovered", Julho 2010. Disponível em http://symantec.com/connect/blogs/w32changeup-visual-basic-polymorphic-code-uncovered, Acessado em 23/10/2011.
[4] Peter Szor. 2005. The Art of Computer Virus Research and Defense. Addison-Wesley Professional.