HDCleaner is a powerful and user-friendly all-in-one system cleaning and optimization tool. It is designed to help users improve the overall performance of their computers by cleaning and optimizing their hard drives. It can scan and repair system errors, remove junk files, defragment the hard drive, delete browser history, clean up the Windows registry, and more. It is also capable of scheduling automatic cleanups and providing detailed reports on the performance of the system. HDCleaner is available as a free version and a paid version with more advanced features.
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