What is mbamext.dll?

The genuine mbamext.dll file is a software component of Malwarebytes' Anti-Malware version by Malwarebytes.
Mbamext.dll is a dynamic link library which contains the program code, data and resources that are needed to run. Malwarebytes' Anti-Malware (MBAM). MBAM is a Windows program that finds and removes malware from your system. Its objective is to find threats that other anti-spyware programs cannot. Malwarebytes Corporation was founded in 2008. Every product they have designed has been developed to keep users free from malware and other malicious software.

MbAMext stands for Malwarebytes' Anti-Malware context menu extension

Mbamext.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if mbamext.dll is a Windows system file or if it belongs to an application that you can trust.

Click to Run a Free Scan for mbamext.dll related errors

Mbamext.dll file information

The process known as Malwarebytes Anti-Malware or Malwarebytes' Anti-Malware shell extension belongs to software Malwarebytes Anti-Malware version by Malwarebytes (

Description: Mbamext.dll is not essential for the Windows OS and causes relatively few problems. The mbamext.dll file is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\ or in a subfolder of the user's profile folder. Known file sizes on Windows 10/8/7/XP are 73,360 bytes (20% of all occurrences), 85,328 bytes and 14 more variants. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. The service has no detailed description. It can change the behavior of other programs or manipulate other programs. The file is not a Windows core file. Mbamext.dll is digitally signed. You can uninstall this program in the Control Panel. Mbamext.dll is a Verisign signed file. Therefore the technical security rating is 45% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you encounter difficulties with mbamext.dll, you can contact Customer Service, see if there is a newer version or uninstall Malwarebytes' Anti-Malware or Malwarebytes Anti-Malware version software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify mbamext.dll related errors

Important: Some malware camouflages itself as mbamext.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the mbamext.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Malwarebytes Antimalware
  Eganacks Verittonadonna   (further information)

Summary: Average user rating of mbamext.dll: based on 1 vote with 1 user comment. One user thinks mbamext.dll is essential for Windows or an installed application.

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Best practices for resolving mbamext issues

A clean and tidy computer is the key requirement for avoiding problems with mbamext. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the mbamext.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

mbamext.dll [all]