Before we dive into the installation steps, it's essential to understand that cybercriminals actively create fake versions of popular software like CleanMyMac X. Researchers have discovered malicious .dmg files disguised as the app, which can contain info-stealing malware like or AdLoad Adware .
Obtain the CleanMyMac-X-4.15.4.dmg file from a trusted source (ideally the official MacPaw website). Mount: Double-click the .dmg file to open it.
Have you tried version 4.15.4 yet? Did you notice the speed increase? Let us know in the comments below! CleanMyMac-X-4.15.4.dmg
— such as verifying the DMG's integrity, checking for notarization, or analyzing what the installer does under the hood?
When you browse the web, your history, chat logs, and recent items are left behind. The Privacy tool scans browsers (Safari, Chrome, Firefox) and messaging apps to let you wipe sensitive data securely. This is vital for anyone selling their Mac or working in a shared office space. Before we dive into the installation steps, it's
The one-click Smart Scan is the bread and butter of this app. In previous iterations, a smart scan might be too aggressive. In 4.15.4, the algorithm has been tweaked to weigh "Safety" higher than "Aggressiveness." It prioritizes:
It is designed specifically for stability on macOS 10.13 up to macOS Tahoe (2026). Mount: Double-click the
Pros
is a solid, incremental update. It doesn't reinvent the wheel, but it keeps the vehicle running smoothly on the latest macOS roads. It remains the gold standard for Mac cleaning utilities, provided you are getting the legitimate version.
The biggest highlight of version 4.15.4 is the update to . Moonlock is MacPaw's proprietary anti-malware technology, first introduced in version 4.14.0 to replace CleanMyMac's earlier security component. Version 1.3.0 brings enhanced threat detection efficiency, targeting macOS-specific viruses, trojans, data miners, and browser hijackers. The engine also supports background threat monitoring for continuous protection.
: Includes the Moonlock Engine to scan for Mac-specific threats like adware and spyware.