Microsoft antivirus and other security programs found a dangerous computer threat called Trojan:Win64/ShellcodeInject.GC!MTB. This threat could be the cause of another viral infection. To protect your computer, it’s crucial to perform a thorough system check and remove the virus if it’s detected. Ignoring this threat could lead to severe risks, including ransomware and malware attacks.

Computer users should take immediate action to accomplish a clean-up as soon as Trojan:Win64/ShellcodeInject.GC!MTB is detected on the computer. Scanning the system thoroughly with an effective antivirus or anti-malware tool proves to be effective in getting rid of viruses or any similar security threats.

Illustration for Trojan:Win64/ShellcodeInject.GC!MTB

How does it infect the computer?

If you visit harmful websites or download files from suspicious sources, your computer might catch a virus called Trojan:Win64/ShellcodeInject.GC!MTB. These viruses often lurk in files downloaded from shady websites, like file servers and torrent sites. These servers unwittingly help hackers and cybercriminals spread malware to unsuspecting computers.

Once Trojan:Win64/ShellcodeInject.GC!MTB infects your system, it might create a copy of itself in a system folder. It also adds an entry to the Windows registry, allowing it to run code during startup. After this tweak, the virus becomes active whenever you start your Windows operating system.

How does this malware operate?

Trojan:Win64/ShellcodeInject.GC!MTB, a computer threat, tries to infect your system and carries out different malicious actions. Here’s how it works:

  • Persistence: It sneaks into your system by changing registry settings or scheduling automatic tasks during startup.
  • Activation: Once active, it runs PowerShell scripts to do harmful things like downloading more dangerous files, stealing sensitive data, or altering your system.
  • Stealth: To avoid detection, it hides its instructions within seemingly harmless scripts or obfuscates them.
  • Network Spread: It exploits network vulnerabilities or stolen credentials to infect other computers on the network.
  • Antivirus Evasion: It cleverly disguises itself using legitimate tools like PowerShell to avoid antivirus detection.


Symptoms of a Trojan:Win64/ShellcodeInject.GC!MTB infection may include unusual or unexpected behavior on the infected computer, such as sudden slowdowns, frequent crashes, or unexplained changes to system settings. Due to the possibility that the Trojan is actively stealing data or carrying out commands to manipulate the system, users may notice unauthorized access to sensitive data or files. Furthermore, if Trojan:Win64/ShellcodeInject.GC!MTB is propagating throughout a network; additional computers may display indicators of compromise or similar symptoms.

How to remove Trojan:Win64/ShellcodeInject.GC!MTB?

To totally remove Trojan:Win64/ShellcodeInject.GC!MTB from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Step 1 : Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted computer security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of computer virus like Trojan:Win64/ShellcodeInject.GC!MTB through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the database file; please wait for this process to complete.

6. To begin checking for threats like Trojan:Win64/ShellcodeInject.GC!MTB, click on the Start Scan button. Wait for this scan to finish.

Screenshot of Combo Cleaner PC

7. At the end of the scan process, click on Remove all threats to delete Trojan:Win64/ShellcodeInject.GC!MTB malware, including all malicious objects from the computer.

To fully optimize the features of antivirus and privacy scanners, users may have to upgrade to the premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the computer virus and malicious items linked to it.

Step 2 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of Trojan:Win64/ShellcodeInject.GC!MTB. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of Win 11 Search

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of Msconfig Win 11

4. Under the Boot Options area, please check Safe Boot so that it starts in Safe Mode after restarting.

5. Next, select Network. This will allow Windows to boot in Safe Mode with Networking.

6. Lastly, click on Apply and OK to save the changes.

7. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 3 : Run Sophos Home Virus Scanner

To remove Trojan:Win64/ShellcodeInject.GC!MTB automatically, scanning the computer with this powerful virus and malware removal tool is recommended. This scanner does not just uncover known threats like viruses or malware; it is also effective in discovering harmful files associated to Trojan:Win64/ShellcodeInject.GC!MTB.

1. Please click on the link below to download the program.

2. After downloading, locate the file SophosInstall.exe in the Downloads folder.

3. Install by double-clicking on the file.

4. If it prompts "Do you want to allow this app to make changes on your device?" please click Yes.

5. Next, it will display the Terms and Conditions page. Click the Install button to begin.

Screenshot of Terms by Sophos Home

6. Run the installation with the default settings. Please note that an internet connection is required in order to download important updates.

7. After finishing the installation, you must login to the dashboard. If you already have a Sophos account, please login. Otherwise, please enter your details and click on the Create Account button.

8. Once you are in the Sophos Home console, click the Scan button to start checking the computer for Trojan:Win64/ShellcodeInject.GC!MTB components.

Screenshot of Sophos Home

9. Scanning may take a while; please wait for this process to finish.

10. After scanning the computer, Sophos Home will start cleaning or deleting files infected with Trojan:Win64/ShellcodeInject.GC!MTB.

11. You may now close Sophos Home. The computer is now free from Trojan:Win64/ShellcodeInject.GC!MTB, as well as associated malware and viruses.

After executing the above instructions, Trojan:Win64/ShellcodeInject.GC!MTB should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 4 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with Trojan:Win64/ShellcodeInject.GC!MTB. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove Trojan:Win64/ShellcodeInject.GC!MTB, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm and search for Windows Security

2. Click Open to run the program.

Screenshot of Win 11 Search

3. On the Dashboard, click Virus and threat protection from the sidebar.

Screenshot of Win 11 Virus Protection

4. On the right panel, click on Scan Options to see different levels of checking the computer.

5. Next, please select Full Scan button.

Screenshot of Full Scan Win 11

6. Lastly, click on the Scan now button to start scanning for the presence of Trojan:Win64/ShellcodeInject.GC!MTB. The process may take a while to complete.

7. After the scan, Delete/Quarantine identified threats, whether they were relevant to Trojan:Win64/ShellcodeInject.GC!MTB or not. You may now restart Windows to complete the virus removal process.

For Windows 8.1 and Windows 7, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

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