Moonlock Engine

The anti-malware tech for Mac

Moonlock Engine is the anti-malware technology that powers Malware Removal in CleanMyMac. It finds and removes all types of threats that put your Mac at risk.
Engine
Team Photo
Recognized for innovation and engineering
No other Mac cleaner can remove malware on par with the biggest names in cybersecurity. CleanMyMac with Moonlock Engine can. For making malware protection a seamless part of computer care, Moonlock Engine was named a 2025 CES Innovation Awards® Honoree.
CES Innovation Award® Honoree
Finds malware anywhere
Malware can sneak onto your Mac through many doors. Moonlock Engine keeps an eye on all of them and works like a home security system for your Mac. It inspects mail attachments, DMG and ZIP archives, USB drives, browser extensions, and launchers to detect any threat trying to get in.
Mail attachments

Mail
attachments

DMG files

DMG
files

ZIP archives

ZIP
archives

USB drives

USB
drives

Browser extensions

Browser
extensions

Software launchers

Software
launchers

Specially for Mac
MacPaw has been creating software for Mac since 2008. We know Macs, we love Macs, and we’ve learned how to protect them. Moonlock Engine is uniquely calibrated to macOS, monitoring system-specific apps like Mail and Safari and paying special attention to macOS processes.
Specially for Mac
Control
You’re in control now
With Moonlock Engine, you can customize the malware scan to your needs. Go with a quick scan and cover the most common locations without slowing down or losing processing power. Or, let Moonlock Engine run a deep checkup for better protection. It will take more time, battery, and CPU, but it will look in every corner where viruses might hide.
Independently verified
by AV-TEST
AV-TEST independently tests antivirus software to measure its detection ability and overall performance. In a private test, the Moonlock Engine malware removal tech detected 93.3% of malicious samples for macOS, provided by AV-TEST.
Powers award-winning CleanMyMac
CleanMyMac is a cleaning and maintenance app loved by millions of Mac users all over the world (even in Antarctica, and we’re pretty proud of that). With Moonlock Engine, it’s more than a cleaner – it’s also a powerful anti-malware tool for Mac.
Try CleanMyMac