On February 2, 2016, Project Zero discovered four vulnerabilities in the Malwarebytes flagship product, including lack of server-side encryption for update files and lack of proper payload signing within encrypted data the combination of which allowed an attacker to recompile the encrypted payload with exploits. This includes protection against malware, ransomware, exploit, and malicious websites. released version 3.0 to the general public.

The free version can be run manually by the user when desired, whereas the paid version can perform scheduled scans, automatically scan files when opened, block IP addresses of malicious web sites, and scan only those services, programs and device drivers that are currently in use.

Malwarebytes is available in both a free and a paid version. Malwarebytes scans in batch mode, rather than scanning all files opened, reducing interference if another on-demand anti-malware software is also running on the computer.

Malwarebytes is primarily a scanner that scans and removes malicious software, including rogue security software, adware, and spyware.

Update malwarebytes manually