Is not downloading and using pirated software an effective measure to avoid being infected with Trojans?

Trojan virus refers to a piece of malicious code with special functions hidden in normal programs. It is a backdoor program with special functions such as destroying and deleting files, sending passwords, recording keyboards, and attacking DoS.

Trojan virus is actually a program used by computer hackers to remotely control computers. The control program is parasitic in the controlled computer system, and the inside and outside work together to attack the computer infected with the Trojan virus. Implement the action. (Recommended study: web front-end video tutorial)

General Trojan horse virus programs mainly look for computer backdoors and wait for opportunities to steal passwords and important files in the controlled computer. It is possible to perform illegal operations such as monitoring and data modification on the controlled computer. Trojan viruses are highly concealed and can launch sudden attacks based on hackers' intentions.

Download Trojan horse

This kind of Trojan horse program is generally very small in size, and its function is to download other virus (pirated) programs from the Internet or install advertisements software. Due to their small size, download Trojans are easier to spread and spread faster. Usually powerful and large backdoor viruses, such as "Gray Pigeon" and "Black Hole", are spread by writing a small downloadable Trojan horse. After the user is infected, the backdoor main program will be downloaded to the local machine for running.

The direct damage method of Trojan virus to the computer is to rewrite the disk and destroy the computer database, causing inconvenience to the user. When a Trojan horse destroys a program, it becomes unable to run and has a serious impact on the overall operation of the computer.

In addition, some Trojans can be executed through the boot area of ​​the disk. The virus has a strong replication function and passes the user program to external linkers. You can also change the disk boot area, causing damage to the data formation channel. Viruses also seize system resources through large-scale replication, interfere with the system operating environment, and affect the running speed of the computer system.

With the development of the Internet industry, Trojans have taken a fancy to e-commerce and hung some Trojan programs on some online shopping. When users click, it is easy to enter the user's system, and when the user uses online banking.

Steal bank passwords online and then steal users' finances, causing huge economic losses to computer users. In some special fields, Trojan horses are used as a means of attack, such as politics, military, finance, transportation and many other fields. It has become a battlefield without smoke. Trojan horses are used to invade the other party, obtain relevant information or carry out destruction.

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