Malwarebytes is an antivirus app for Windows, currently at version 5.7.2.358. The download button on this page sends you to the official server data-cdn.mbamupdates.com. The developer is Malwarebytes, the license is proprietary, and the app is free. This build was released and last updated on October 2, 2026.
The threats Malwarebytes is built to catch
The developer says the program protects against malware, ransomware, malicious websites and other advanced online threats. That covers files on the PC and also harmful web addresses.
The catalog files it under antivirus, with tags such as anti-malware, antithreat and protection.
What it offers for protection
The feature set is short. It covers cyber security software and anti-malware, plus protection against malware, ransomware and malicious websites. For details on scan modes, real-time protection settings or firewall tools, check the developer site at malwarebytes.com.
An Android version also exists.
Before you install a 411.1 MB security tool
The installer is 411.1 MB, which is a sizeable download for a security tool. Check free disk space first.
If you already run another antivirus, compare the alternatives, including ClamAV, ESET Security, AdwCleaner and Emsisoft Emergency Kit. Confirm with the developer whether Malwarebytes can run next to other security software.
Malwarebytes pros and cons
Pros
- Download comes from the official server data-cdn.mbamupdates.com
- Free to download
- Covers malware, ransomware and malicious websites per the description
- Version 5.7.2.358 was released on October 2, 2026
- Also available on Android
Cons
- Installer is 411.1 MB
- Interface cannot be previewed on this page
- Proprietary licence, so the code is not open
- No detailed feature list or changelog on this page
Is Malwarebytes safe?
The installer comes straight from data-cdn.mbamupdates.com, and the publisher, Malwarebytes, shares its name with the app. The license is proprietary and the app is free. No independent security review is available, so if you want extra certainty, run your own check on the file before installing it.
How to install Malwarebytes
- Press the download button to get the official file.
- Run the installer you saved and confirm the Windows security prompt if the publisher matches.
- Follow the setup steps, then start Malwarebytes from the Start menu.