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A Trojan horse (Trojan, Trojan, Trojan horse) is a Malicious Program | Antivirus

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Trojan horse (Trojan, Trojan, Trojan horse) is a malicious program spread through infected sites, file sharing, attachments to e-mail messages or applications for operating systems downloaded from the Internet. The main task of the Trojans is to establish the attacker's control over the user's infected computer. Installing backdoors, a virus downloader, or stealing confidential data is the main purpose of Trojans. Most Trojans disguise themselves as harmless or useful files or programs to be launched by the user on a PC. The bait can be information files or tempting advertising files in MS Office formats, images and archives from the mailing list by e-mail. Often, such emails do not contain attachments, but rather try to lure the victim to a malicious site that will try to infect the computer and place Trojans on it. Such mailings are often disguised as popular ones, from well-known sites, social networks, and other services with a large number of users. Trojans also enter user...

What is a Computer Virus? Antivirus Software

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A computer virus is a program or piece of software code that is downloaded onto a computer without the knowledge or permission of the owner. While some types of viruses are invisible on the system, some are destructive and designed to invade and take control of the system. A virus can spread between computers and even networks by replicating itself, just like a biological virus spreads from one carrier to another. How computer viruses penetrate a user's device Viruses usually hide in commonly used programs such as games or PDF viewers, and can also be part of an infected file attached to an email message or any other object downloaded from the Internet. As soon as you start working with the infected file (launch the program, click on the application or try to open the file), the virus will start executing automatically. After that, the malicious code will be able to reproduce itself in other files, making changes to the operation of the computer. How to recognize a virus Internet c...

The Difference Between a Virus, a Worm, and a Trojan Horse

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Malware The most common mistake when talking about a computer virus is to talk about viruses to refer to a worm or a Trojan horse. The terms Trojan horse, worm, and virus are generally used interchangeably, but they are not the same thing. Viruses, worms, and Trojans are malicious programs, all three of which can harm your computer, but in different ways. Knowing these differences can help you better protect your computer from their often destructive effects. Knowing the Differences Can Help You Better Protect Your Computer A computer virus attaches itself to a program or file from which it can spread from one computer to another, sowing infections wherever it goes. Much like human viruses, computer viruses can be more or less serious: some viruses only have mild disturbing effects, while others can damage your hardware, software, or files. Almost all viruses are included in an executable file, which means that the virus may be present on your computer, but in reality, it cannot infect...