CCleaner a utility for cleaning the debris in the operating system. In the course of their work CCleaner (Crap Cleaner) is looking for and removes unused files. These include: cookies, history, visiting sites in IE, temporary Internet files, search strings, files, Recycle Bin, etc.

CCleaner is the number-one tool for cleaning your Windows PC. It protects your privacy online and makes your computer faster and more secure. This app is easy to use, one click cleaning so beginners can optimize their computers in seconds. In addition, it’s packed with advanced features for power users.
It is system optimization and privacy tool. Removes unused files from your system, allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history.

CCleaner can run from a USB drive and be installed or run on a computer without a complicated setup process. It is possible to specify files, folders and registry keys to ignore from the cleaning process.
Especially relevant that it’s fast. Normally taking less than a second to run. And contains NO Spyware or Adware!

Key Features:
  Automatic Cleaning
  Regularly cleans junk files to keep your computer running smoothly
  Automatic Privacy Protection
  Clears history and cookies when you’re not using your web browser
  Automatic Updates
  Windows and browsers constantly evolve. CCleaner updates once a month to stay on top!

VirusTotal:
https://www.virustotal.com/gui/file/4c11bf612bc2e5b2190019a4508a138def682d2936ab7f276aceaa140f895c57
https://www.virustotal.com/gui/file/7b30a3d11919ae9b82dc29bf67a36135ddce76b6f30d25f2c77094f5ae332131
https://www.virustotal.com/gui/file/dbd889c47532e0115e0c07cd5e6795566231d04967d61f8eb515f1e77025736a
https://www.virustotal.com/gui/file/3acb0955b80f664f39861893501bb696a1c107a7fb5045d3612eca9bbdedc2e6