Stealth virus: Infects operating system processes.Polymorphic virus: Infects data types and functions.Multipartite virus: Infects both the boot sector and executable files.Boot sector virus: Infects the boot sector of floppy disks.Master Boot Record (MBR) virus: Infects the Master Boot Record (MBR) of hard drives.Macro virus: Infects programs that contain macros such as Word, Excel, and PowerPoint files.
Viruses can only attack files if they have the support of an active host program. This allows them to easily transfer across the Internet, from user to user. They attach onto executable files such as songs and videos. Viruses can replicate themselves and damage computer files that they target. Viruses, however, are just one type of malicious threat and fall under the broad category of “malware.” Protecting your PC starts with understanding the different types of malware and how they work. But, do you actually know the difference between all these terms? Most of us tend to consider any malicious threat to our computers a virus. If you’ve ever used a computer, you’ve likely heard of terms like worms, bots, and Trojans at some point.
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