What are Trojans on Computers?
A computer virus infects one computer after another. It affixes itself to a program or a file to execute whatever mission it has. Also, viruses don't need human action to plague a computer. Unlike a regular virus, the Trojan horse virus can't replicate itself or even attach itself to another file. A Trojan horse virus pretends to be a legitimate file to trick the user to install or download it. Despite the technical differences, they both have the same repercussions on a user's computer or even to their gadgets.
The Tasks of a Trojan Horse Virus
What are Trojans on computers? They perform different tasks designed by cybercriminals. The Trojan will remain unrecognizable to antiviruses and antimalware until it successfully executes its mission. Learn the different tasks of a Trojan horse in the following:
# 1: The Trojan horse virus Spies
Trojans can also work as spyware. It'll wait until you use your online accounts or enter your credit card details. Then, it'll send your passwords and other information back to the cybercriminal. After that, the hacker can perform his own plans to victimize his targets.
# 2: Trojan horse virus Creates Backdoors
Trojans also has the ability to change your codes or your security system. With that, even more malware can get through your security tools without getting noticed and can cause a big security breach.
# 3: Trojan horse virus Robs Phone Bills
Trojan horse viruses can exploit other forms of smart devices. It can also use smartphones to send expensive SMS messages to premium numbers. A cybercriminal can make money through that.
# 4: Trojan horse virus Turns Computers into Zombies
Cybercriminals don't just steal accounts or information, they also exploit other people using DDoS attacks. In order to do that, they'll implant Trojans to the computer and use it for their own interest. That will put you in great trouble as cyber crimes are detected through IP addresses of the computer.
How Does a Trojan horse Work?
Now that you know how Trojan horse works, you might be thinking how a Trojan horse begins its menace on the victim's endpoint. For that, an example provides a clearer illustration of how a Trojan horse virus works:
It begins when the victim receives an authentic-looking email with an attachment. The attachment carries a malicious code that will be activated when the victim downloads the attachment. Most of the time, the Trojan horse virus won't be detectable. The computer will continue working as usual, yet it's already infected with a Trojan horse virus.
The Trojan horse virus stays undetected until the victim carries out a specific action, such as running the program on their computer. When this happens, the trigger activates the malicious code and carries out its intended action. The Trojan horse virus can also be designed to delete itself after it has done its intended function. It may also return to a dormant state or it may continue to be active.
Remember, this example is just one of the popular ways to contract a Trojan horse. There are plenty of other creative ways that a cybercriminal can transfer a Trojan to a computer such as manual USB transfer, downloading a program or file from the Internet, and receiving files from messaging apps.
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