... _start ;Virus _start n Virus _end ca cx ,virus_ end _Virus _start ;Virus _start đến Virus _end ;tp movah,40h;to Virus ah,40h ;tạo Virus int21h 21h movsi,13 ;tỡm v trớ ch M( kớ t cui ca ; COM) si,13 ;tìm ... khụng nờn quỏ tin tng vo cỏc anti -virus vỡ cỏc anti -virus ch tỡm-dit cỏc virus m nú ó cp nht õy chớnh l nhc Im ln nht ca cỏc antivirus.Xu hng ca cỏc anti -virus hin l c gng nhn dng virus m khụng ... ca on mó virus m B -virus c chia lm loi: a/SB -virus: Chng trỡnh ca SB -virus ch chim ỳng sector ng, cỏc tỏc v ca SB -virus khụng nhiu v tng i n gin Hin s cỏc virus loi ny thng gp b/DB -virus: õy...