CrossRAT Removal Guide

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Category: Trojans

CrossRAT is a remote access Trojan that is targeted at Windows, Linux, macOS, and Solaris operating systems. This dangerous infection is distributed in a clandestine manner – which we discuss further in the report – and it runs stealthily as well. If the threat finds its way into the system, it can be used by remote attackers to perform in a malicious manner. All commands are received when the Trojan connects to flexberry.com without authorization. This action is silent too, and so spotting the infection truly is challenging. Unfortunately, if you do not notice and delete CrossRAT right away, you could experience major virtual security issues. Without a doubt, you want to avoid that, which is why our research team has created this removal guide. If you have discovered the Trojan, and you want to get rid of it as soon as possible – which is a good idea – go follow the instructions below. If you are confused by the entire situation, continue reading to figure things out.

Do you know how CrossRAT entered your operating system? If you have no idea, you need to think about any suspicious and random links you might have opened recently. According to our research team, victims are exposed to the installer of this Trojan via corrupted links that can be sent to them via email or one of many social media platforms, including WhatsApp or Facebook. The malicious link, of course, is supported by a misleading tag or message just to trick you into clicking it without thinking about it. If you are careless, the infection slithers in without you knowing about it. It appears that the threat installs as mediamgrs.jar, and you should find this file created in the %TEMP% directory. A registry key is created in HKCU\Software\Microsoft\Windows\CurrentVersion\Run as well, and both of these components must be deleted immediately. That is exactly what is shown in the instructions below. If you do not remove CrossRAT components right away, this threat will connect to a remote server to receive commands to perform in a malicious manner.

What can CrossRAT do if it slithers into the operating system? Unfortunately, we can only guess what the cyber criminals behind this infection could use it for because once the remote access is enabled, they can do all kinds of things. For example, this access could be used to drop and execute malicious files. It is also possible that it could be used to spy on the victim and record sensitive information. This is why after you remove CrossRAT, it is important that you scan your system to check if other threats exist, as well as change your passwords to ensure that none of your accounts are hijacked by malicious attackers. Since this could have been done already, you need to check your sent emails, messages, and posts to see if none of your contacts were sent malicious links or files. Hopefully, that is not the case, and you can forget about the threat the moment you delete it from your operating system.

You can learn how to delete CrossRAT from the Windows operating system by following the instructions below. Of course, manual removal is not for everyone. Even if you manage to get rid of this malware yourself, you might discover much more complex threats in your system. After all, if one Trojan has managed to slither in, other infections could have found their way in as well. On top of that, the remote access Trojan might have helped attackers drop malicious infections onto your operating system without your knowing about it. Install a trusted malware scanner if you want to inspect your operating system. If malware is found, install trusted anti-malware software. We encourage you to install it because besides being able to erase infections automatically, it also can ensure full-time protection. Due to this, even if you end up removing CrossRAT yourself, you should install anti-malware software.

How to delete CrossRAT from Windows

  1. Simultaneously tap Win+E to launch Windows Explorer.
  2. Type %TEMP% into the bar at the top and then tap Enter.
  3. Delete the file named mediamgrs.jar.
  4. Simultaneously tap Win+R to launch RUN.
  5. Type regedit.exe and click OK to launch Registry Editor.
  6. Navigate to HKCU\Software\Microsoft\Windows\CurrentVersion\Run.
  7. Delete a {unique name} value pointing to the mediamgrs.jar file.
  8. Empty Recycle Bin.

N.B. Do NOT forget to scan your system using a legitimate malware scanner to check if you need to erase Trojan’s leftovers or other malicious infections.

Download Remover for CrossRAT *
*SpyHunter scanner, published on this site, is intended to be used only as a detection tool. To use the removal functionality, you will need to purchase the full version of SpyHunter.

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