Kufanana nehutachiona hwakavharidzirwa, hutachiona hwepolyform hunobata mafaira nekopi yakavharidzirwa yeayo, iyo inogadziriswa ne decryption module. Panyaya yehutachiona hwepolyform, zvisinei, iyi decryption module inogadziridzwawo pakurwara kwega kwega. Utachiona hwepolyform hwakanyorwa zvakanaka saka hauna zvikamu zvinoramba zvakafanana pakati pehutachiona, zvichiita kuti zviome kwazvo kuonekwa zvakananga uchishandisa "signature". Antivirus software inogona kuiona nekuburitsa hutachiona uchishandisa emulator, kana nehuwandu hwehuwandu hwehutachiona hwakavharidzirwa. Kugonesa hutachiona hwepolyform, hutachiona hunofanirwa kuve neinjini ye mutalphic (inonzi "mutating" injini kana "mutation" injini), iyo inogadziriswa nekodhi yekubvisa hutachiona.
polymorphic