Malwarebytes Browser Guard by Malwarebytes

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Malwarebytes Browser Guard version history - 25 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 3.3.2
Released Aug 4, 2026 - 30.23 MB
Works with firefox 148.0 and later
Improvements/Features
- Blocking ads on YouTube is now turned off by default on new installs. For more information, see Allow or block YouTube ads
- New Search Result Reputation! This feature scans your search results and marks them as safe or suspicious based on our threat database. To turn this feature on, see Browser Guard's Search Result Reputation.
Stability/Issues fixed
- Miscellaneous bug fixes.
Source code released under Malwarebytes Software License Agreement
Download Firefox and get the extension
Download file
Older versions
Version 3.3.1
Released Jul 14, 2026 - 29.25 MB
Works with firefox 150.0 and later
Stability/Issues fixed
- Miscellaneous bug fixes.
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.3.0
Released Jun 24, 2026 - 29.22 MB
Works with firefox 148.0 and later
Improvements/Features
- Updated the app's visual design for a refreshed look and feel.
- Performance improvements.
Stability/Issues fixed
- Improved UI for high resolution and large screens.
- Miscellaneous bug fixes.
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.2.1
Released Jun 10, 2026 - 33.42 MB
Works with firefox 148.0 and later
Improvements/Features
- Performance improvements.
Stability/Issues fixed
- Miscellaneous bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.2.0
Released May 19, 2026 - 33.32 MB
Works with firefox 148.0 and later
Improvements/Features
- Performance improvements.
Stability/Issues fixed
- Improved ruleset space exceeded experience.
- Miscellaneous bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.1.7
Released Apr 20, 2026 - 32.81 MB
Works with firefox 128.0 and later
Improvements/Features
- Launched our new Access Control feature! This feature shows you exactly which sites have access to use your camera, microphone, and location
- Improved protection when copying suspicious links to the clipboard.
- Ad blocking improvements.
- Performance improvements.
Stability/Issues fixed
- Reduced the number of false positive blocks.
- Miscellaneous bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.1.6
Released Apr 9, 2026 - 31.4 MB
Works with firefox 128.0 and later
Automatic rollback based on version [3.1.3].
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.1.5
Released Mar 24, 2026 - 31.92 MB
Works with firefox 128.0 and later
Improvements/Features
- Launched our new Access Control feature! This feature shows you exactly which sites have access to use your camera, microphone, and location
- Improved protection when copying suspicious links to the clipboard.
- Performance improvements.
Stability/Issues fixed
- Reduced the number of false positive blocks.
- Miscellaneous bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.1.3
Released Jan 30, 2026 - 31.4 MB
Works with firefox 128.0 and later
Improvements/Features
- Added the option to run a Profile Checker scan with Online Account Protection, a new feature that scans your online accounts for potential vulnerabilities and security risks. This feature currently only scans your Google account.
- Performance improvements.
Stability/Issues fixed
- Reduced the number of false positive blocks.
- Miscellaneous bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.1.1
Released Nov 13, 2025 - 30.37 MB
Works with firefox 128.0 and later
Improvements/Features
- Performance improvements
- New onboarding experience
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.1.0
Released Oct 10, 2025 - 29.33 MB
Works with firefox 128.0 and later
Improvements/Features
- New improved UI
Stability/Issues fixed
- Miscellaneous bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.27
Released Sep 5, 2025 - 35.88 MB
Works with firefox 128.0 and later
Improvements/Features
- Improved protection against unauthorized clipboard access.
- Improved blocking capabilities for ads and trackers.
Stability/Issues fixed
- Fixed an issue that caused certain websites to fail to load.
- Miscellaneous bug fixes.
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.26
Released Aug 25, 2025 - 35.67 MB
Works with firefox 128.0 and later
Improvements/Features
- Removed suspicious content warning from users' clipboards.
- Improved Ad Blocking capabilities.
Stability/Issues fixed
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.25
Released Jul 30, 2025 - 35.51 MB
Works with firefox 128.0 and later
Improvements/Features
- Improved the app to prevent fingerprinting for more privacy and less tracking while you browse the web.
- Improved our detection to reduce false positives and better differentiate between safe activity and real threats.
- Performance improvements.
Stability/Issues fixed
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.23
Released Jul 10, 2025 - 36.03 MB
Works with firefox 128.0 and later
Stability/Issues fixed
- Crash due to high CPU usage
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.22
Released Jul 3, 2025 - 35.97 MB
Works with firefox 128.0 and later
Improvements/Features
- Improve heuristic protection
- Improve clipboard protection
Stability/Issues fixed
- Trigger breach notifications on subdomains
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.20
Released Jun 16, 2025 - 35.71 MB
Works with firefox 128.0 and later
Improvements/Features
- Improved blocking capabilities when encountering malicious websites.
- Improved Search Hijacking detection when browsing a website.
Stability/Issues fixed
- Fixed an issue with allow list processing.
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.19
Released May 22, 2025 - 35.73 MB
Works with firefox 128.0 and later
Improvements/Features
- Heuristic block improvements
Stability/Issues fixed
- Fix issue where browser preloading would cause unintended blocks
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.18
Released Apr 23, 2025 - 35.3 MB
Works with firefox 128.0 and later
Improvements/Features
- Prevent search hijacking
Stability/Issues fixed
- Fix issue with Ad/Tracker setting
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.17
Released Apr 7, 2025 - 35.23 MB
Works with firefox 128.0 and later
Improvements/Features
- Remove ping trackers
Stability/Issues fixed
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.16
Released Mar 28, 2025 - 34.87 MB
Works with firefox 128.0 and later
Improvements/Features
- Performance improvements
Stability/Issues fixed
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 3.0.14
Released Mar 13, 2025 - 34.21 MB
Works with firefox 128.0 and later
Improvements/Features
- Up-to-date with the latest browser requirements (Manifest V3).
- Automatically deny GDPR consent trackers.
- Improved phishing and scam protections.
- Notifications on sites that have breached personal information.
Stability/Issues fixed
- Performance enhancements.
- Stability improvements.
Source code released under Malwarebytes Software License Agreement
Download file
Version 2.6.27
Released Jun 11, 2024 - 25.17 MB
Works with firefox 113.0 and later
Improvements/Features
- Latest update for YouTube ad blocking.
Stability/Issues fixed
- Fixed issues with GDPR consent tracker processing.
- Misc bug fixes.
Source code released under Malwarebytes Software License Agreement
Download file
Version 2.6.26
Released May 16, 2024 - 25.85 MB
Works with firefox 113.0 and later
Improvements/Features
- New release notifications
- Auto deny GDPR consent trackers
Stability/Issues fixed
- Misc bug fixes
Source code released under Malwarebytes Software License Agreement
Download file
Version 2.6.25
Released Apr 9, 2024 - 26.29 MB
Works with firefox 113.0 and later
Source code released under Malwarebytes Software License Agreement
Download file

Latest version

Version 3.3.2

Older versions

Version 3.3.1

Version 3.3.0

Version 3.2.1

Version 3.2.0

Version 3.1.7

Version 3.1.6

Version 3.1.5

Version 3.1.3

Version 3.1.1

Version 3.1.0

Version 3.0.27

Version 3.0.26

Version 3.0.25

Version 3.0.23

Version 3.0.22

Version 3.0.20

Version 3.0.19

Version 3.0.18

Version 3.0.17

Version 3.0.16

Version 3.0.14

Version 2.6.27

Version 2.6.26

Version 2.6.25