Differences Between the Virus, Trojan, and Worm

Posted on | May 4, 2009 | No Comments

Virus, Trojan, worm, you may often hear. Three forms malware software can damage the computer in various ways. However, the differences of what they?

Virus
Essentially, the virus is a computer program. With a little ‘monkey’ of the virus, the virus can slow computer performance, or cause damage to the image or display a pop-up ads that are not desired. The virus can produce itself to other programs, usually in the form of executable file (. Exe), ie, a file that the application should be executed. Virus does not run until you run the file. Exe is. While other file extensions such as. Bat,. Com, and. Exe is also often used by the virus, only to deceive you. The good news, the virus only in the trigger-by-file in the attach, so the need for action from the man pass it on.

Worm
Worm is actually a special type of virus. Unlike most viruses, worms do not require human interaction to pass it on. Worm stand alone and does not require the interaction of the self, such as executable files. Worm can replication himself and pass it on to another system. Many of the worm is designed to extract email addresses that are stored and sends itself to those who saved contact list in your email. The good news, to protect the email, you can create a false email address, to test the existence of the worm. Computer worm does not attack directly, but flooding the contact list you, and to flush bandwidth, network and create a clog.

Trojan
A Trojan horse, such as the Greek legend, is a program that is intended for something that is not harmful, but can be dangerous if you download it. Unlike viruses or worms, Trojan replication not himself or infected other system. However, once Trojan infected computer, it will ‘backdoor’ on your computer, that allows other people can log in to access your computer system. If you have backdoor, hackers can even print documents from your computer, open the CD tray or change the desktop image, and the worse that can access a file important.

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