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Sometimes when you click on an advertisement it comes up with a virus but some ads cant, these are called infected sites, When an infected site is activated, (E.G: FreeVirus) It streams or installs the malware on to your pc or mac. when the instalation is completed the virus spreads (Like worms) Throughout your computer, the tjojan horse is the worst because it is a folder, ussualy duisgised as a helper, that gets shot off into tiny files and destroys your computer, the whole reason is to destroy the remains of your computer, The reason why people do it is that throught the years the internet wanted to break because of all the GB that was stored on it, so they hired a few people to make a thing called malaware which is another name for virus. they do it to take fewer people of the net and to vandalise... the trojan in the other hand is different, 1 person with an awesome computer downloads something called Bit954.898 Which is a trojan software, usually when you research it on Google it is blank, that is because it is hiddeen on other sites. the trojan does the same as the mytaligical wooden one, breaks in to your computer and completely destroys it. I hope this was help.

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13y ago

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