In Softwares, secret backdoor (remote administration tool -RAT) access is a planned installation by system developers or service providers as a remote means for diagnostics, troubleshooting, or other system tests. Backdoor virus is a malicious code that, by exploiting system flaws and vulnerabilities, facilitate remote unauthorized access to a computer system or program. This access gives it total freedom to conduct malicious activities on the system. Backdoors can be installed in both software and hardware components. Many backdoor programs make use of the IRC backbone, receiving commands from common IRC chat clients.
A Backdoor works in the background and hides from the user. It is very similar to other malware and viruses and. A backdoor is one of the most dangerous parasite types, as it allows hackers to perform any possible actions on a compromised computer.Backdoors can also spread via malicious apps on mobile devices and smart devices.
The attacker can use a backdoor to spy on a user, manage his/her files, install additional software or dangerous scripts, control the entire PC system, and attack other hosts. Quite often, a backdoor has additional destructive capabilities, such as keystroke logging, screenshot capture, file infection, and encryption. Such parasite is a combination of different privacy and security threats, which works on its own and doesn’t require to be controlled at all. Generally speaking, backdoors are specific trojans, viruses, keyloggers, spyware, and remote administration tools. They work in the same manner as mentioned viral applications do. However, their functions and payload are much more complex and dangerous, so they are grouped into one particular category.
How Backdoor Virus Attack Computers?
1. They can come attached to e-mail messages or file-sharing programs.
2. Viruses, trojans or even spyware can install a backdoor viruses
3. Legitimate programs sometimes have undocumented remote access features. The attacker device strategies to get full unauthorized access to the system.
4. Adding a Backdoor in the form of an exe file or rootkit(files hidden from view)
Damages Of Backdoor Virus
1. Allows the attacker to control computer hardware devices, modify related settings, shutdown or restart a computer at any time.
2.Steals sensitive personal information and create, delete, rename, copy or edit any file
3.Records keystrokes and captures screenshots
4. Degrades Internet connection speed and overall system performance.
5. Give remote access to system tools and let an attacker remotely execute commands, code, etc.FinSpy is an example of this
How To Remove Backdoor Virus?
Backdoors are dangerous, run in stealth mode, and are almost impossible to manually detect. But, they must be removed. It is highly recommended that computer users adopt automatic system removal methods. In addition, strong firewalls and updated antivirus software must be in place. There are additional measures a system administrator can employ to minimize the risks of exposure, especially with the presence of legitimate backdoors intended for diagnostics, troubleshooting or other system tests.
There are many good spyware and malware removal tools available on the internet. You can read their reviews and get the best tools to keep your system a virus-free system. For a healthy system, it’s always better to keep your system updated with antivirus software. Be cautious in choosing the right malware tool. You can also have two such tools so that one can serve you if the other one is hacked.