Clean Master is an all-in-one Android cleaner, optimizer and security app. It helps to remove junk files, boost phone performance, clean up memory, increase battery life and protect privacy. It has a user-friendly interface and a simple one-tap Clean feature. It can also scan and remove viruses, adware, and malware, as well as detect and block potentially dangerous apps. Clean Master also provides AppLock, an app lock and privacy guard feature, to protect private data. Clean Master also allows users to delete unnecessary files, clean the cache, and uninstall unwanted apps. Overall, Clean Master is an excellent app for managing, optimizing, and protecting your Android device.
Bundleware: the software tries to install Avast too: Spyware, runs in the background and collects information to send to Avast. Background mode can be disabled, but is re-enabled on every run: occasionally displays pop-up ads throughout the system