Info about Computer Viruses
Types of computer viruses
Computer viruses are malicious programs that once that get into your computer destroy all executable files and programs belonging to Microsoft Office programs (Microsoft Excel, Microsoft Word, Microsoft Access, and Microsoft Power Point). Viruses can infect your computer CPU and by introduction some CDs that have not been checked for viruses. Once the virus enters the computer begins to attack almost all programs. Some types of viruses are so dangerous that makes it almost impossible to use the computer. The virus often remains embedded in the computer memory and begins to attack little by little all the files. There are some viruses that destroy entire computer database which can no longer be recovered. Computer viruses are of several types: worms, viruses, Trojans or malware. Years ago, viruses were not so dangerous. But as IT technology has advanced more dangerous viruses appeared that can destroy your computer.
To remove dangerous viruses there are some antivirus programs that are performing very well and can be used. Among the advanced antivirus programs are included Bit Defender, Norton Antivirus, ESET NOD32, and Kaspersky. All these programs are the best and are the most efficient solution to remove viruses like Trojans, worms and other Web threats. Viruses can enter your computer via e-mail, files from CDs or from files that contain attachments. Before opening a file that you receive via e-mail would be better to check if it is infected. Generally if you have antivirus software installed on your computer it will send a warning message if the file you want to open is infected. Worms are viruses that appear most often in file attachments. So you should be careful what files you open.
Worms attack the computer hardware and software so that when you want to access some files it will be blocked. Worms are not so dangerous but some viruses may affect the operation of your computer. The most dangerous computer viruses are Trojans. They can destroy the memory or database in your computer. There are several types of Trojans: Trojan spyware, Trojan PSW. Trojan spy virus can record all your confidential information like bank accounts and the former are being sent to another user from outside. This person knows all the operations you do on your computer. Trojan PSW virus from your infected computer can scan your banking information, passwords, confidential files which then are send to the person who created this dangerous virus. If you want to protect your computer from viruses then use the best antivirus programs.