UPDATED Sept. 21 with news that malware injection seems to have been for purposes of industrial espionage. CCleaner, a system-optimization tool with more than 2 billion downloads worldwide, is ...

Trusted by millions, distributed by an anti-virus company, CCleaner compromised the security of users with a malicious backdoor.

Now this is an ironic flub-up. Popular utility tool CCleaner (short for ‘Crap Cleaner’), which promises to clean up your system for enhanced performance, was hacked to distribute malware ...

CCleaner began as an independent project by developers Piriform all the way back in 2003, as a way to remove unnecessary data such as temporary internet files and erroneous Windows registry entries.

CCleaner, a free system optimization and privacy tool for Windows, has emerged from beta testing with a new 2.0 release. CCleaner is probably one of the best known cleaning/optimizing tools out ...

CCleaner Enhancer is a free download for Windows only. If you're new to CCleaner, make sure to check out how to run CCleaner on a schedule to keep your PC crap-free automatically, or create a ...

CCEnhancer integrates directly into CCleaner, so much so that you may not even notice that CCEnhancer is running. It gives CCleaner the ability to clean the traces of more applications than ...

The latest version of CCleaner features an improved interface and faster performance. It's an excellent way to clean the gunk from your PC, and it doesn't cost a dime.

CCleaner also includes a registry scanner, startup manager, and Add/Remove Programs area to uninstall applications you don't use anymore. CCleaner 2.0 is a free download for Windows only.

The portable version of favorite free utility CCleaner lets you run maintenance from a USB drive.