Question

1. What is malware? How does it affect your computer? Mention some types of malwares.
2. Differentiate between virus and worm. 3. How do you know your computer has a virus?​

Answer 1

A    Malware is intrusive software that is designed to damage and destroy computers and computer systems. Malware is a contraction for “malicious software.” Examples of common malware includes viruses, worms, Trojan viruses, spyware, adware, and ransomware.

B  The primary difference between a virus and a worm is that viruses must be triggered by the activation of their host; whereas worms are stand-alone malicious programs that can self-replicate and propagate independently as soon as they have breached the system.

C  If you notice any of the following issues with your computer, it may be infected with a virus:

Slow computer performance (taking a long time to start up or open programs)

Problems shutting down or restarting.

Missing files.

Frequent system crashes and/or error messages.

Unexpected pop-up windows.

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