The following was copied/pasted from https://forums.malwarebytes.com/topic/200634-malwarebytes-31-now-available/
Malwarebytes v.3.1 is now available. You can download this new version -- v. 3.1.2.1733 -- from our main website or from this link.
You can install this new version directly over any earlier Malwarebytes version you might be running.
Here's What's New & Improved:
Performance/protective capability
- Multiple enhancements result in reduction of memory usage
- Faster load time and responsiveness of third-party applications
- Improved performance of Web Protection
- Faster Malwarebytes 3 program startup time and responsiveness of user interface
- New detection and protection layer with machine learning based anomaly detection (to be deployed gradually even if it shows “enabled” under Settings)
- Improved Self-Protection by requiring escalated privileges to disable protections or deactivate a license
- Enhanced malware protection techniques and remediation capabilities
- Added an automatic monthly scheduled scan in Free mode
Usability
- Added ability to control the priority of manual scans on the system
- Added setting to turn off ‘Real-Time Protection turned off’ notifications when protection was specifically disabled by the user
- Added ability to exclude the last website blocked by Web Protection via the tray menu
- Fixed several defects related to configuring Custom Scans, including selecting child folders and fixing issues with touch screens
- Fixed problem where a right-click context scan appeared broken after scheduled scan due to misleading "Cannot start a scan while another one is in progress" message
- Fixed issue where you could not add or edit a scheduled scan in Spanish and some other languages
- Fixed issue where scan could appear stuck on Heuristics Analysis when it had actually completed successfully
- Fixed issue where Self-Protection setting would fail to toggle correctly after an upgrade
Stability/issues fixed
- Fixed several crashes in the Web Protection module
- Fixed issue where Ransomware Protection would be stuck in ‘Starting’ state after a reboot
- Fixed a conflict with Norton that caused web pages not to load and plug-ins to crash in Chrome
- Fixed issue with WMI protection technique in Exploit Protection that could cause Office applications to crash
- Fixed several crashes related to the service and tray
- Fixed security vulnerabilities that could be chained together to perform local privilege escalation
- Fixed many other miscellaneous defects and user interface improvements