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Malware is a pretty uncommon term, and is not familiar to a lot of users of computer software. Basically, the term refers to any kind of software that has been created to cause harm to its host computer by installing things and doing procedures unknown to the user.

Malware also refers to spyware and adware that does sneaky operations on a computer. Malware is different from viruses. A genuine program that you install which doesn’t run properly because of it?s defects is not malware. Malware programs are more often found in installations that users do themselves, such as messengers, than in installations from software you purchase. Some of the most universal ways that malware installs itself on to your computer is through Rookits and Trojan horses.

Trojan horses,are just as they sound, they are harmful installations that are hidden by seemingly harmless installations. While running these installations seems safe, what the user does not know is that malware is also secretly installing itself at the same time. In order for malware to continue to work, it needs to stay hidden and that is where Rookits come in. Rootkits Make sure that the malware installed on your computer stays completely undetectable, and that it does not show up in your list of system processes.

Once installed, advanced rootkits are tough to get rid of. This is because many malware programs create ‘ghost’ versions of themselves, and whenever the original malware program detects that one of these ghosts has been deleted or deactivated, it quickly responds by replicating the deleted or deactivated files. Also, because the rootkit conceals the actual malware program from your system, whatever defenses your system may have continue going after the ghosts. Thus, the system is stuck chasing down one ghost decoy after another, while the actual malware itself remains untouched.

Some of the commonly known malware installations include Blaster, Sasser, and Mydoom. Another kind of unauthorized and harmful software that is similar to malware has been termed grayware. Unlike malware, grayware is not harmful, and is usually just very very irritating. Grayware is basically just an annoying software that really works to bug you more than to harm your computer, it installs things like unauthorized joke programs and ads in order to accomplish this goal.

These can be quite tiresome and are usually as difficult to get rid of as malware, and therefore are classified along with it. Not only can this software compromise your computers safety, but it can also leave you more vulnerable to other damaging installations. Grayware and malware can also get into your system through codes that are unauthorized by things you plug into your USB ports.

Since it is virtually impossible to keep your system free of malware, you should routinely check for it by using a reputable anti-malware system, such as Microsoft’s Malicious Software Removal Tool. This program — compatible with Windows Vista, Windows XP, Windows 2000 and Windows Server 2003 — can both identify the specific malware installations on your system and assist you in removing them.