If you are looking at an advertisement for , proceed with extreme caution. This specific version is severely outdated and is frequently used as bait in malicious advertising ("malvertising") campaigns. Key Security Warnings

: As of early 2026, Malwarebytes for Mac is on Version 5.x . Legitimate copies should only be downloaded from the official Malwarebytes website . Legit Version vs. Scams Official Malwarebytes (v5) "Free Premium" Ads (v3.1.x) Source Malwarebytes Official Third-party ad or "cracked" sites Price Free (Scan only) / Paid (Real-time) Claims to be "Free Premium" Protection Targets modern macOS threats Obsolete; lacks modern definitions Safety Verified secure High risk of hidden malware Safe Next Steps Current version of Malwarebytes for Mac?

: Advertisements offering "Free Downloads" of Premium (paid) versions of software are often wrappers for adware, browser hijackers, or spyware .

: Version 3.1.1.505 dates back to roughly February 2018 . Using such old software leaves your Mac vulnerable to modern threats like Atomic Stealer (AMOS) or Poseidon , which accounts for 70% of recent macOS credential thefts.