Security software giant Avast has acquired Piriform, the U.K.-based company behind CCleaner -- one of the most popular system cleaners on desktop and mobile. Founded out of London in 2004, Piriform is ...

Avast said it believes that threat actors are again looking to target CCleaner in a supply chain attack. Czech antivirus vendor Avast on Monday warned that hackers were able to access its internal ...

In August 2017, the installer for the popular clean-up tool CCleaner was tampered with by hackers to contain a malicious backdoor, and downloaded by 2.27 million customers worldwide. Now Czech ...

Facepalm: Many users of popular system cleaning app, CCleaner, have complained that installing the software also installs the Avast anti-virus program without their permission. We have confirmed those ...