When Trojan:Win32/AutoitInject.OWAA!MTB is identified on the computer, further infection may happen because this malware is known to be from a family of Trojans that attempt to download and install other harmful programs.  It can also make unwanted changes to the computer and browser settings. Therefore, the moment that Microsoft security software or an antivirus program issues a warning about the presence of Trojan:Win32/AutoitInject.OWAA!MTB, users should immediately run a virus scan. Checking the computer thoroughly is the only solution to get rid of the malware and avoid further infection.

Illustration for Trojan:Win32/AutoitInject.OWAA!MTB

How does it infect the computer?

Similar to most computer viruses, the actor behind Trojan:Win32/AutoitInject.OWAA!MTB is relying on various approaches to distribute copies of malware. Some of which are the following:

Mass-mailing campaign: Due to previous attacks on the computer, the attackers have gathered various information from the system, especially the email addresses of the victims. At this point, they use this collected data to mass-send a malicious attachment that contains the code Trojan:Win32/AutoitInject.OWAA!MTB.

Software piracy: Because some computer users are inclined to run a commercial program without paying for its license, attackers are taking advantage of this to spread the malware through modified software. Unknown to users, the program they have downloaded and installed contains malware, and its execution leads to a computer infection.

Malicious advertising: Computer security experts repeatedly send a warning to beware of pop-ups and redirects claiming various issues on the computer, like virus infections, outdated programs, or expired subscriptions. This is one way to lure web users to download a copy of a supposed software update that contains Trojan:Win32/AutoitInject.OWAA!MTB. It may appear as a valid warning, but in reality, those alerts are simple pop-up advertisements designed to mislead web users.

How does this malware operate?

The execution of Trojan:Win32/AutoitInject.OWAA!MTB on the computer causes system changes, virus injections, and software configurations. In particular, this malware injects a code called AutoIt, a harmful Trojan that is able to modify several applications, including internet browsers.

Bear in mind that there are different variants of Trojan:Win32/AutoitInject.OWAA!MTB performs different actions, and this often depends on the commands of the attackers.


A warning that emerges from an antivirus program is the most visible sign that a computer user may encounter. Since Trojan:Win32/AutoitInject.OWAA!MTB operates silently, there may be no other signs of the infection that is noticeable.

How to remove Trojan:Win32/AutoitInject.OWAA!MTB?

To totally remove Trojan:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!MTB.

11. You may now close Sophos Home. The computer is now free from Trojan:Win32/AutoitInject.OWAA!MTB, as well as associated malware and viruses.

After executing the above instructions, Trojan:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!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:Win32/AutoitInject.OWAA!MTB. The process may take a while to complete.

7. After the scan, Delete/Quarantine identified threats, whether they were relevant to Trojan:Win32/AutoitInject.OWAA!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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