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Malwarebytes 4 Beta


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Hello, Malwarebytes community!

We would like to invite you to test out our latest Malwarebytes 4 Beta.

You can download the Beta installer from this link. The Beta supports manual upgrades from Malwarebytes 3.8.3. In case of any issue with a manual over-install, we recommend a fresh install. Upgrading from previous 4.x versions is not supported.

As with all previous Betas from all previous versions, this one provides a preview for identifying possible defects and allows early access to new features. We caution that Betas are not fully tested by Malwarebytes and may include significant issues. We strongly recommend that you back up all of your data prior to installing and using Beta software. It is offered “As-Is” and does not carry any warranties or support services.

What’s New in this Malwarebytes 4 Beta:

  • New detection engine that
    • Improves Zero-hour detection
    • Dynamically extends detection to mutating malware
  • Improved performance and faster scans
  • Complete redesign of the User Interface
  • Simplification of the Windows Security Center integration setting
  • Improved Web Protection component

Please share your feedback in this beta forum by starting a new topic.

To save time,

Make sure to check current Known Issues.

For reporting False Positives follow the instructions here.

For reporting issues that directly relate to security (vulnerabilities), we appreciate if you follow the instructions here.

Thank you so much!

Edited by Erix
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Known Issues

  • A working internet connection is required for the installer
  • Under certain circumstances the installer requires a fully clean install to complete
  • The Installer is still working with a provisional UI and it lacks certain basic elements (such as a progress bar) 
  • The installer does not support Safe Mode at this point
  • The installer does not support upgrading from MB4.0.0
  • False Positives rate will be significantly low but they can still occur
  • This version is still English only
  • Crashes and BSODs can appear under certain circumstances
  • The UI does not support High DPI and certain screen resolutions
  • Isolated parts of the new UI still show the old UI’s screen, for some settings, prompts, pop ups and notifications. 
  • Animations within the UI might occasionally appear clunky
  • Certain grids show items not in expected (often chronological) order
  • Miscellaneous visual and cosmetic glitches such as borders disappearing, missed alignments, color mismatches and hover-over effects missing
  • Copy can still be provisional in certain screens and or wrong or missing
  • This new version does not support Windows 8, it supports Windows 7, Windows 8.1 and newer. It does not support Tablets
  • The support tool does not support 4.x Betas.
Edited by Erix
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Submitting False Positives

Before proceeding, please ensure the following:

  • The Malwarebytes scan has completed.
  • Any false-positive detections are not quarantined.
  • If you have quarantined the false-positive, refer to the, "What should I do if the false-positive detection is quarantined?" steps below.

Step 1:

Download the following tool: https://malwarebytes.box.com/v/mb-fp-tracker
For x86 machines: https://malwarebytes.box.com/v/mb-fp-tracker-x86

Step 2:

Double-click fp_tracker_1.5.0.0.exe to run the tool and follow the prompts.

Step 3:

Upon completion, you should see: "Output: {filename} Please provide this file for analysis.". Please attach the referenced file to a forum reply or upload it a file hosting service of your choice and provide the download link.

What should I do if the false-positive detection is quarantined?

Ensure the detection is unquarantined before running the tool. To restore the false-positive from the Malwarebytes Quarantine:

  • Open Malwarebytes.
  • Click Detection History.
  • Place a checkmark next to the false-positive item(s).
  • Click Restore.

Once restored, proceed with step 1 above to run the tool.

Edited by AdvancedSetup
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  • 3 weeks later...

The Malwarebytes Support Tool has been updated to support the Malwarebytes version 4 beta.
A full change log for the new 1.5.1 version can be found here.

Start Repair and Advanced > Clean will continue to reinstall Malwarebytes version 3 after a removal has taken place. The option to install Malwarebytes version 4 will be available once the product is out of beta.

Please create a topic in this forum section if any issues are encountered with the tool when running on a computer with Malwarebytes version 4 installed.

Edited by LiquidTension
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