The performance estimation and functions of anti-virus programs using modern security model

False antiviruses, today they are one of the methods of Internet fraud, which are seriously gaining popularity. Its essence is to force the user to pay for a program that removes the most dangerous viruses from the computer and protects the user's computer from various threats in the future. And if the program offered to buy is not a “fake”, everything will be fine. But in addition to matter and energy, another element plays a huge role in human life - information. It is a variety of information, news, news, knowledge, skills. Computers focused on storing and transferring information and the computer revolution took place. In this paper, the performance estimation and functions of anti-virus programs using modern security model. A suite of antivirus applications from Microsoft designed to combat various viruses, spyware, root kits, and Trojans. A copy of Windows that works only on computers with this software (Vista, Windows 7) has been verified. Antivirus Microsoft Security Essentials replaced Windows Live OneCare. Despite the adoption of laws in many countries to fight computer crimes and the development of special software tools for protection against viruses, the number of new software viruses continues to grow. This requires a personal computer user to know about the nature of viruses, how to attack and protect against viruses.