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| − | A computer virus is a item that can infect your computer and delete essential files or programs. Some viruses can be a hoax or joke, others can be vital to your computer's system. The differences between the other malicious things on the Internet (for example a [[Trojan Horse]]), is that viruses can clone themselves to make them harder to get rid of. Some viruses can bundle multiple malicious files with them.
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| − | == Types ==
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| − | ===Trojan Horse===
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| − | ''Main Article: [[Trojan Horse]]''
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| − | A Virus that installs secretly to allow a [[backdoor]] to your computer. Thus, it could now install [[Botnets]], [[Malware]], [[Adware]], [[Keylogger|Keyloggers]], etc. Computers are usually infected by downloading it as a bundle.
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| − | ===Adware===
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| − | ''Main Article: [[Adware]]''
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| − | A virus that plays, or shows unwanted ads, like [[Popups|popups]]. It typically slows down your computer. Some [[Adware]] display ads that have links to [[Malware]].
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| − | ===Spyware===
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| − | ''Main Article: [[Spyware]]''
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| − | A term used to describe software that performs certain behaviors without appropriately obtaining your consent first, such as advertising, [[Personally Identifiable Information (PII)|PII]] harvesting and changing the configuration of your computer.
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| − | ====Keyloggers====
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| − | ''Main article: [[Keylogger]]''
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| − | Programs that record all of your keystrokes, and sometimes mouse movements and images of your screen. This is obviously bad, since they record your financial information, passwords, and the like.
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| − | ==Avoiding getting infected==
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| − | Have a regular scan of your computer with an anti-badware product [http://en.wikipedia.org/wiki/List_of_antivirus_software like these products.]
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| − | You might also want to see [http://www.mywot.com/en/forum/1579-what-antivirus-do-you-have this topic] on what the WOT community has to say.
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| − | As for anti-adware, [http://www.lavasoft.com/ Lavasoft Ad-Aware] is a good choice. Also, [http://www.safer-networking.org/en/download/index.html Spybot Search and Destroy] is notable.
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| − | ====The HOSTS file====
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| − | You can also block harmful websites too, using the HOSTS file, located at C:\WINDOWS\system32\drivers\etc
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| − | Example: typing something like "127.0.0.1" or "website.com" would result in "website.com" always redirecting to "127.0.0.1" (localhost).
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| − | Be sure to not to save your HOSTS file using "Save As", because it won't work if the extension is .txt
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| − | ==See also==
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| − | [[Online_tools|Online Tools]]
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