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1. Boot sector virus

2. Web scripting virus

3. Browser hijacker

4. Resident virus

5. Direct action virus

6. Polymorphic virus

7. File infector virus

8. Multipartite virus

9. Macro virus

How to remove computer viruses

➢ You can take two approaches to removing a computer virus.
One is the manual do-it-yourself approach. The other is by
enlisting the help of a reputable antivirus program

Worms

A warm is a malicious software which similar to that of a computer
virus is a self-replicating program ,however, in the case of worms, it

automatically execute itself .warms spread over a network and are
capable of launching a cumbersome and destructive attack within a
short period.

How do computer worms work?

Worms can be transmitted via software vulnerabilities. Or computer

worms could arrive as attachments in spam emails or instant