The Complete Malware Prevention, Protection, and Removal Guide
by Brent Trahan
This guide arms you with just about everything you need to prevent, protect, and
remove viruses, spyware, adware, worms, and trojan horses.
What is Malware?
Malware is software that's designed to infiltrate or damage a computer system
without your consent. Viruses, Spyware, Adware, Worms, and Trojan Horses are all
considered Malware.
Below is a short explanation of each type of Malware.
Virus: A self-replicating computer program that spreads by inserting copies of
itself into other executable code or documents. A computer virus is very similar
to a biological virus. Once your computer is infected with a virus it runs
within the file it was injected in and can cause damage to your computer in many ways.
True viruses are actually starting to become rare. Spyware, adware, worms, and
trojans are taking their place.
Spyware: Software designed to intercept or take partial control of a computer
without informed consent from the computer user. Spyware takes note of what you
do on your computer, the websites you visit, your passwords, and reports that
information to its maker.
Spyware it the type of Malware that slows your computer down and makes it
unstable. This happens because spyware takes a lot of computing power to run and
monitor what you're doing.
Adware: Simply shows popup ads on your computer. It usually doesn't hurt your
computer much but its sure annoying.
Worm: Is similar to a virus. The only difference is it doesn't need to be
injected into an executable file for it to run. A worm is self-contained and
will run on its own. A worm takes up your internet bandwidth. It takes up
bandwidth because it sends copies of itself to other computers across a network
or the internet.
Worms also use your computer to hurt other computers by using your computer to
attack other computers with DOS attacks.
Trojan horse: A malicious program that is disguised as or embedded with
legitimate software. Trojans are usually spread with free software and peer-to-
peer (file sharing software). Trojans are used to get Malware in your computer.
Ransom Ware: This is a new but very devastating version of Malware. Ransom Ware
locks files like your digital photos, videos, and Word Documents. It leaves you
a message asking you to pay a specified amount of money for the key to unlock
the files.
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