Computer Viruses

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1. Summarize the definition of the following types of computer viruses in one sentence:

a) Worm

b) Trojan horse

c) Spyware

d) Rogue Security Software

 -Worm, Trojan horse, Spyware, and Rogue security software are all small software programs that spread from one computer to another and interfere with the operation of your computer, they are nasty awful things that often use an email programs to spread. Cite!

2. How do computer viruses get onto your computer?
-Viruses get onto your computer by you clicking on what seems to be funny attachments such as funny pictures, or videos. They are also often spread through the internet and the things that you get off there like software programs and pirated content you may have downloaded. Cite!

3. How do you know you have a computer virus?
-You can recognize that your computer has a virus if it is running more slowly than usual, if you are getting unexpected messages, your programs are starting up automatically, and if your hard disk is working overtime. Cite!

4. How do you avoid computer viruses?
-Never open an email attachment unless you are expecting it and know who it is from.
-Do not open any unsolicited executable files, documents, or spreadsheets.
-Avoid downloading documents from the internet (they are usually used to spread viruses).
-Never open files that have a double file extension, they often have titles like filename.txt.vbs.
-Do not send any files or links that you haven't first virus-checked. Cite!

5. What is an email virus and why is it dangerous?
-An email virus is a self-replicating computer program written to alter the way a computer operates, without the knowledge of the computer's user.
-The reason why they are so dangerous is because it can replace your existing files with corrupt ones. They may also delete data. Cite!

6. Who creates computer viruses and why?
-Computer viruses are created by a variety of teenagers, beginner programmers, graduated programmers, and shrewd researchers. Also hooligans, swindlers, blackmailers...
-They create viruses for their own personal gain and satisfaction at the misfortune of others.
-Some people create viruses for fun or for money. Cite!

7. Name three respectable anti-virus computer software programs that you could use to help protect you against computer viruses?
-Three anti-virus programs that help protect you computer are-AVG, Symantec, and Kapersky. Cite!