Searching for specific "build" numbers in combination with "Pro Apk" often leads to third-party "mod" sites, which carry significant security risks.
The safest method is to install the free version from Google Play and upgrade to Pro within the app. Download CCleaner Pro 6.7.0 build 800009744 Apk...
You can download the latest mobile versions directly from the CCleaner Android page . Searching for specific "build" numbers in combination with