Every day we visit dozens of sites, check mail several times a day, chat in ICQ and download megabytes, if not gigabytes, of information from download sites. At the same time, we don’t think at all about the fact that together with the program we need so much, we catch the so-called viruses. Most often, the problem of "infection" of the computer is faced by novice users, so this article will be especially interesting and useful for them. And today we’ll talk about a computer virus, which is not a virus at all. "Troyan" is a remote administration system, that is, a program hidden from the user's eyes and executing the commands of its creator.
Probably, many are now wondering why the “trojan” does not apply to viruses. Everything is very simple. The principle of computer viruses is similar to biological. Their only difference is that biological ones affect the body cells, and virtual ones - system files. Simply put, it is capable of self-reproduction and has destructive functions. This refers to the term "virus". "Trojan" is deprived of the "ability" to multiply, while infecting other files. However, it is customary to attribute the Trojan to viruses.
So, we figured out what it is and how the Trojan virus enters the computer . What does this pest do with our system? How to deal with it?
Speaking about the first question, it’s fair to mention why the Trojan virus is called in no other way. This name is closely connected with the legend of the Trojan horse, with the advent of which a turning point came in the battle for Elena the Beautiful. If you remember, a huge wooden horse was a harmless gift to the Trojan prince, however, as soon as the gates of Troy opened, the main troops of Sparta, having got out of the horse, attacked the fortress.
The same thing happens in the computer world with trojans. We download them under the guise of completely harmless programs, however, as soon as they start, the Trojan starts to “spy” on us: it steals passwords, sends spam, steals files, formats disks, etc.
Despite all this, it is far from always possible to understand that the Trojan virus is installed on your computer. For this, it is better to use specialized programs. They can both cure the Trojan virus and block the installation of this seemingly harmless program in general.
To date, the most reliable domestic antiviruses are recognized - Dr.Web and Kaspersky Anti-Virus. They do not stand on ceremony with the Trojans. This is not surprising, because we remember that the Trojan is a completely malicious program, so there is really nothing to cure. As a rule, antiviruses terminate processes launched by the Trojan and delete their files from the hard drive.
On average, antiviruses are updated 3-4 times a day, and sometimes more often. But this does not mean that you have to constantly sit on the developer's site and wait for these updates. Modern anti-virus databases are updated automatically with an active Internet connection. All that remains for you is to check your computer for spyware at least once a week and enjoy your work!