N'ihe banyere polymorphic nje, Otú ọ dị, a decryption modul na-gbanwekwara na onye ọ bụla ọrịa. A ọma e dere polymorphic nje Ya mere, ọ dịghị akụkụ nke na-anọgide yiri n'etiti ọrịa, na-eme ka ọ dị nnọọ ike ịchọpụta ozugbo iji "akara". Antivirus software nwere ike ịchọpụta ya site decrypting nje na-eji ihe emulator, ma ọ bụ site na mgbakọ na mwepụ ụkpụrụ nke ezoro ezo virus ahụ. Iji mee ka polymorphic nje nwere a mutalphic engine ebe (akpọ "n'ihi ya virus engine" ma ọ bụ "mutation engine") nke na-decoated site na decryption modul. Nke a bụ ihe na-eme ka o kwe omume na ndị ọkachamara antivirus ga-enwe ike iji nwayọọ nwayọọ na-arụ ọrụ ma ọ bụ na-eme nchọpụta nke virus na-agba ọsọ site na-eji ụfọdụ polymorphic code na-egosi na ọ nwere ike na-agba ọsọ na-eji ụfọdụ polymorphic code.
nwere engine polymorphic