Page 16 - Computer Genius Class 06
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Protecting Your Computer From a Computer Malware
Malware, or malicious software, is a software made to cause harm to your system. A malware gets
installed on a computer ithout appro al rom the computer s o ner.
Types of Malwares
There are different types o mal are each ha ing uni ue characteristics. et s find out.
Worm
Virus
MALWARE Trojan
Horse
Adware
Spyware
Virus: computer irus is a program that is a le to copy itsel hen it is run. t gets acti ated
each time the program or file to hich it is attached is opened or e ecuted. t is the most common
type o mal are. t can spread itsel y in ecting other programs or files. t affects the original
program, causing it to not work properly.
Worm: orm is similar to irus ut it can copy itsel and spread rapidly to any de ice attached.
orm does not need any program to acti ate it.
Trojan Horse: tro an horse is a dangerous irus. t represents itsel as help ul so t are
program. nce the user clic s on it to agree to run it it gains access to sensiti e data and then
modifies loc s or deletes the data. t cannot copy itsel rom one computer to another.
Spyware: spy are steals important in ormation and data on the de ice such as account
pass ords or an details. t o ser es the user s acti ity ithout their no ledge.
Adware: n ad are trac s user s ro ser and do nload history and eeps popping ad ertisements
on the screen.
n 1 the first irus as ritten or indo s ased s y t o rothers
asit and m ad Faroo l i rom a istan ho ere only 1 and 2 years old
respecti ely at the time. They named it rain .
The Most Dangerous Malwares Known
Wabbit Virus 1 ma es multiple copies o itsel until the system slo s do n and crashes.
ILOVEYOU Virus 2 or ed y sending a a e lo e letter that loo ed li e a harmless te t file.
14 Computer Genius-VI

