Recall that the second way a virus scanner works is to watch for certain types of behaviors that are … of a virus. This might include any program that attempts to write to your hard drive’s b

Recall that the second way a virus scanner works is to watch for certain types of behaviors that are … of a virus. This might include any program that attempts to write to your hard drive’s boot sector, change system files, automate your email software, or self-multiply. Programs that attempt to modify the system Registry (for Windows systems) or alter any system settings may also be indicative of a virus.