Name the categories of computer viruses
and explain them.
Answers
Answer:
Multipartite Virus – This type of virus spreads through multiple ways. It infects both the boot sector and executable files at the same time. Polymorphic Virus – These type of viruses are difficult to identify with a traditional anti-virus program. ... Spacefiller Virus – This is also called “Cavity Viruses”
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Answer:
Virus
A computer virus is a piece of software that can 'infect' a computer, install itself and copy itself to other computers, without the users knowledge or permission. It usually attaches itself to other computer programs, data files, or the boot sector of a Hard drive.
Malware
Malware is short for malicious software. Malware is the name given to any type of software that could harm a computer system, interfere with and gather a user's data, or make the computer perform actions without the owner's knowledge or permission.
Trojan horse
A type of malware that uses malicious code to install software that seems ok, but is hidden to create back doors into a system typically causing loss or theft of data from an external source.
Worm
Unlike a virus, a worm, is a standalone piece of malicious software that replicates itself in order to spread to other computers. It often uses a computer network to spread itself, relying on security flaws on the target system to allow access.
Spyware
Spyware is software that aids in gathering information about a person or organization without their knowledge, they can monitor and log the activity performed on a target system, like log key strokes, or gather credit card and other information.
Adware
Adware is software which can automatically causes pop-up and banner adverts to be displayed in order to generate revenue for its author or publisher. A lot of freeware will use Adware but not always in a malicious way, if it was malicious, it would then be classed as spyware or malware.
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