What is QuasarRAT?

QuasarRAT is a highly malicious application that falls into the category of Trojans. It was designed to perform a variety of functions that are considered malicious. Therefore, you ought to remove this malicious program as fast as possible before the people that control it do any damage to your system or jeopardize your privacy. In this short description, we will discuss how this program works, how it is distributed and how you can delete it. So, if your PC has become infected with QuasarRAT, then we invite you to read this whole article.

Where does QuasarRAT comes from?

According to our cybersecurity experts, QuasarRAT is an open-source publicly available commodity RAT (Remote Access Trojan,) and it is an evolution of the older xRAT malware created by a developer from Germany. The original Quasar was released in 2014 but, since this application is open source, it was modified to perform different things by different malware developers. Therefore the infection vector and installation procedures of this Trojan can vary significantly.

Since there are many versions of QuasarRAT, the name of its executable and where it can also be dropped varies below is a list of known file paths and executable names used in this Trojan.

  • %APPDATA%\Microsoft\MicrosoftUP.exe
  • %APPDATA%\system\core.exe
  • %WINDIR%\SysWOW64\SubDir\Client.exe
  • %PROGRAMFILES(x86)%\[random characters]\servce.exe

What does QuasarRAT do?

Our cybersecurity experts say that QuasarRAT is a potentially harmful program because cybercriminals use it to perform illegal actions on your PC to advance their agenda (whatever it might be.) The list of actions this Trojan can perform on your PC is long indeed. The first thing we want to mention is the fact that it can obtain your system and file information which might not seem that harmful, but it is just a prerequisite for something bigger. This Trojan can also upload any files on your PC to wherever its user wants to. Hence, it steals information from your PC. It can also download files on your PC and execute them. Therefore, QuasarRAT can be used for download and execute ransomware-type software. It can also be used to stop and kill start processes, edit Windows registry keys, reverse proxy settings, shut down or restart your PC.

On top of that, this program can open remote desktop connections which will enable cybercriminals to take control of your PC. Moreover, it can be used to observe your desktop actions, which is basically to spy on you. Also, it can issue remote mouse click and keyboard strokes as well as log your keystrokes to steal your logins and passwords. With an array of capabilities like that, QuasarRAT is one highly dangerous computer infection.

How do I remove QuasarRAT?

Therefore, it is of utmost importance that you remove QuasarRAT from your computer as soon as possible because it can do all kinds of damage to your system. Its distribution methods are unknown, but it is evident that the criminals who use it as a basis for making their custom versions can also use a variety of distribution methods. So if you want to delete this Trojan, the check the locations indicated in this article and delete the executable file once you have identified it. If you cannot locate this Trojan, then we suggest using SpyHunter, an antimalware program that will identify and eradicate all traces of this malware.

Removal Guide

  1. Press Windows+E keys.
  2. In the File Explorer’s address box entereach of the following file paths separately.
    • %APPDATA%\Microsoft
    • %APPDATA%\system
    • %WINDIR%\SysWOW64\SubDir
    • %PROGRAMFILES(x86)%\[random characters]
  3. Press Enter.
  4. Locate MicrosoftUP.exe, core.exe, Client.exe or servce.exe
  5. Right-click the .exe file and click Delete.
  6. Empty the Recycle Bin. 100% FREE spyware scan and
    tested removal of QuasarRAT*

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