Malware is malicious code intended to damage the system that is downloaded to. Malware comes in several types. The best known of them are as follows:

Trojan horse

This is a malicious code, usually exchanged via email, which shows itself as a useful program, but has a hidden agenda. One example is the Zlob Trojan, 2005/06. This copy itself, create changes in directories, etc. screensaver Niagara Trojan horse claims to be a screen saver, but downloading viruses and scripts during execution. To avoid this attack allow the file to be scanned before running, as sequences malicious command will be recognized.

Virus

A virus is a malicious code that replicates itself into other programs and users through several mail routes and others. Then causes problems for any user or program that is associated with. ACTS. A virus known spaceflash from 2006. This virus was on MySpace, "about me" pages and attack anyone who entered the already infected "About Me". The virus then delete the page new user and replace it with the html code. A common way to get a virus that replicates through the computer's memory, is to open an email attachment. The good sense and an antivirus package are the best ways to deter the virus.

Logic bomb

This is a malicious code that hides and go to work when a determination of preset has been fulfilled. A logic bomb was executed to manipulate stock prices of a disgruntled employee. This seems be a popular reason for using a logic bomb. The answer may be to treat your employees right, keeping an eye out for disgruntled employees. In 2006, an administrator of USB Paine Webber was arrested for planting a logic bomb to delete files on a given day. The stock manager and predict what happen to the company (due to bombs).

Worm

A worm is a program that makes its way through the system without the user doing anything. The worm Morris' close the internet for several days. The Morris worm obtained unauthorized access to computers. It caused a buffer overflow so that people could not get access your Internet in 1988. The types of worms now are similar to email viruses and common sense should be used when opening files.

Applet

An applet is a program that can be useful, but can cause problems for other programs in the system. An example of malware is getting applet applet automatic download when you visit a website. JavaScript is enabled and may execute malicious scripts. There is a Java security model that requires Java to run in an environment restricted to control the malicious content.

Most Anti-Virus programs have moved in search of specific malware. You can go to some antivirus sites to scan your system and download a removal tool to remove malware system.

Rita Gergi is a freelance information technology writer. For more information please visit http://it-tutoring.net/

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