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Original message (Jan 27, 2018): Earlier this morning, we published a protection update that caused connection issues for many of our customers. As a side effect of the web protection blocks, the product also spiked memory usage and possibly caused a crash. We have triaged this issue and pushed a protection update that resolves it. If the update does not resolve the issue automatically for you, please shut down web protection, check for protection updates, and restart your computer. The root cause of the issue was a malformed protection update that the client couldn't process correctly. We have pushed upwards of 20,000 of these protection updates routinely. We test every single one before it goes out. We pride ourselves on the safety and accuracy of our detection engines. To say I am heartbroken is an understatement. We are working hard to not only triage your issues and get your computer or business back up and running but to also rebuild your trust. We are going to overhaul how we publish these protection updates so that this never happens again. I am personally available to discuss both on this forum via personal message or at mkleczynski@malwarebytes.com Updated message (Feb 2, 2018): I have split my time over the last five days helping many of you resolve remaining issues due to this weekend’s incident and listening to your feedback. A key takeaway was the need for fuller documentation on how we intend to prevent incidents like this in the future. You can find a response from Malwarebytes Research and Engineering outlining that here. For a complete description and root cause analysis please click here. Next week we will also be introducing a status page that indicates if Malwarebytes is having issues with any updates or with accessibility to any of our systems. The status page will be used to supplement customer communication, not replace it. If you're in need of steps to remedy the issue, please go here: For assistance on how to recover for home users, please click here For assistance on how to recover for corporate users, please click here Note: edits made by msherwood to adjust formatting and layout of Marcin's post.

One last note: turning off Web Protection temporarily is an interim solution. Team has identified issue, I will update everyone shortly.

All, we are triaging this as we speak. I will have more information for you all shortly. https://forums.malwarebytes.com/topic/219996-important-web-blocking-ram-usage-issue/

We're sorry you had issues with our program today. We've addressed the issue and here's what you need to do to fix it. If you're in need of steps to remedy the issue, please go here: For assistance on how to recover for home users, please click here For assistance on how to recover for corporate users, please click here To learn more about what happened, please go here: If you continue to have issues or run into new ones, please start a new thread and we'll happily look into that for you. Note: edits made by msherwood to adjust formatting and layout of Marcin's post.

As many of you have already seen, last week I blogged that we would be getting more aggressive in the detection of Potentially Unwanted Programs, or “PUPs” as we call them. I’d like to announce that we’re advancing that mission with the acquisition of AdwCleaner. AdwCleaner is a popular product, installed over 200 million times, and used by consumers, technicians, and enterprises all over the globe to remove adware, browser hijackers, other potentially wanted programs, and more. As I write this, it averages more than 200,000 downloads per day. Jérôme and Corentin, the two engineers that have maintained the project from very early on, will be joining the Malwarebytes team. Short term, we will work to give the product a facelift and enhance its detection ability. Over a longer period, we hope to learn from and integrate the technology into our flagship product, Malwarebytes Anti-Malware. AdwCleaner will remain free as a standalone product. Consumers and businesses download AdwCleaner more than 200,000 times per day, making it one of the most downloaded products on many sites. Installed around 200 million times, AdwCleaner has proven effective against bloatware, questionable software and specific types of malware. As a reminder, you can read more about our PUP classification criteria here! Learn more about AdwCleaner: https://www.malwarebytes.com/adwcleaner_welcome/. Download the free version of AdwCleaner: https://www.malwarebytes.com/adwcleaner/. Marcin

Hi all, we've made some changes to our PUP detection criteria. I urge you to take a look: https://blog.malwarebytes.com/malwarebytes-news/2016/10/malwarebytes-gets-tougher-on-pups/ Thanks!

Hello everyone! Malwarebytes wants to ensure that you have uninterrupted protection from malware — even on the very latest operating systems. We’re happy to announce that the following Malwarebytes products now officially support Windows 10: Malwarebytes Anti-Malware Free and Premium Malwarebytes Anti-Exploit Free and Premium Malwarebytes Anti-Malware for Business Malwarebytes Anti-Exploit for Business Malwarebytes Anti-Malware Remediation Tool Malwarebytes Endpoint Security All of the above products have been tested and verified as working as expected on Windows 10, provided you have updated to the latest available version. You can check on the latest version of a product by visiting its release history page on our website at https://www.malwarebytes.org/support/releasehistory/

We’ve gone mobile! After many months of development and testing, I’m pleased to announce the launch of Malwarebytes Anti-Malware Mobile. If you’re like me, you can’t imagine living without your phone. It’s a social link, a necessary time waster, a business tool, and sometimes I even make calls with it. So our team of developers and malware researchers built an Android mobile security app for our needs. The Malwarebytes way. We wrote all our own code and built our own malware signature database from scratch. That way we knew that the database was accurate and relevant. And we included only the essential security features—the native Android Device Manager now takes care of all the phone location features typically found in mobile security products, so it didn’t make sense to add those. The core is anti-malware, with a couple other features that can detect apps that are violating your privacy or tracking your physical location. And it’s just in time. Mobile malware increased by 614 percent over the past year according to some analysts. And that’s to be expected! I wanted a lean, powerful app that beat the bad guys. And it had to be free. I think we pulled it off. But, more importantly, what do you think? Download from Google Play here.