Viruses may infect program files , programs in disk sectors , and files that use macros 病毒会感染程序文件,硬盘和有宏的文件。
Fof example , some operating system viruses have hidden large amounts of attack logic in falsely marked bad disk sectors 例如,一些操作系统型病毒把自身的逻辑隐藏在那些标识“坏”的磁盘扇区中。