This theme will be devoted virus safety, protection against computer viruses.

But at first is short we learn that such a computer virus and where it can meet in our computer.:wink:

Computer virus — a version of the computer programs which distinctive feature is ability to reproduction. In addition to it viruses can damage or completely destroy all files and the data under control to the user from which name the infected program has been started, and also to damage or even to destroy an operating system with all files as a whole. :glass:

Let's familiarise with the basic signs of infection:

1. Strong braking of the computer, an error in programs, lag, reboots.
2. Numerous failures in work of programs.
3. Any, without your participation, start on the computer of any programs;
4. Not clear windows requesting what or actions.
5. The frequent reference to a hard disk (the bulb on the system block often blinks);
6. Disappearance places \files \catalogues on a hard disk.
7. Occurrence of new files, especially references to them in automatic loading.
8. New processes in the dispatcher of problems (sys.exe, system.exe, sysdll.exe, fE5bD.exe).
9. Not standard behaviour of system (slow loading, аnother is switched off also).
10. At presence on your computer of the gateway screen, occurrence of preventions of attempt any programs of your computer to leave in the Internet though you in any way did not initiate it.
11. Friends or acquaintances speak to you about messages from you which you did not send;

Добавлено через 2 минуты
Most often to be exposed infection executed files with expansion *.exe, *.com, *.bat. And also in the appendices having built in languages (macroes).
However, modern viruses where only not to get accustomed: Word (*.doc, *.xls), music (*.mp3), replaceable carriers (*.swf), films (*.avi), pictures (*.ipg, *.jpeg, *.gif, *.png, *.bmp), IE (*.htm, *.html, *.vbs, *.js, *.htt). At start of such file, the virus begins the dirty deed - carrying out the destructive actions and infecting with itself other files.

Continuation follows...:wink: