Malwarebytes 4 Beta released for download


Malwarebytes is a high performance anti-malware application that thoroughly removes even the most advanced malware and spyware. Malwarebytes version 4.xx brings comprehensive protection against today’s threat landscape so that you can finally replace your traditional antivirus.

You can finally replace your traditional antivirus, thanks to a innovative and layered approach to prevent malware infections using a healthy combination of proactive and signature-less technologies. While signatures are still effective against threats like potentially unwanted programs, the majority of malware detection events already come from signature-less technologies like Malwarebytes Anti-Exploit and Malwarebytes Anti-Ransomware; that trend will only continue to grow. For many of you, this is something you already know, since over 50% of the users already run Malwarebytes as their sole security software, without any third-party antivirus.

Malwarebytes 4 Beta changelog:

New detection engine that

  • Improves Zero-hour detection
  • Dynamically extends detection to mutating malware

Other changes

  • Improved performance and faster scans
  • Complete redesign of the User Interface
  • Simplification of the Windows Security Center integration setting
  • Improved Web Protection component

Malwarebytes Beta changelog:

  • Performance/protective capability
  • Improved detection and remediation


  • Removed default monthly Scheduled Scan in Free mode
  • Updated the installer to allow installation to standalone Business mode when certain conditions are met

Stability/issues fixed

  • Fixed BSOD involving farflt.sys
  • Fixed issue with exclusion involving short filenames
  • Fixed issue where Real-Time Protection did not enable properly
  • Addressed other miscellaneous defects

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
  • 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.

Download: Malwarebytes Beta | 1.0 MB (Free, paid upgrade available)
Links: Malwarebytes Website | Beta Forums

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