CCleaner, available in both free and premium versions for Windows, Mac, and mobile devices.
Apparently, users are not really pleased about the data collection changes, Ghacks points out.
According to CCleaner, heartbeat sends non-personal, absolutely non-identifiable usage information for the purpose of improving CCleaner.
so you can terminate the software, it has to be forcefully shut down.
Since the release, you have shared your feedback and we have been listening.
Some of you are concerned that CCleaner might be accessing and sharing your personal data.
To be clear, CCleaner does not collect any personal data.
Some of you told us that you do not want to share even anonymous usage data.
You spoke, we listened.
source: www.techworm.net