CCleaner is one of the world's most widely used software tools for PC optimization, having been downloaded more than 1 billion times to date. The patent confirms CCleaner as a unique solution, with ...

“We're thrilled with the success of CCleaner and are proud to offer its efficiencies to users in the Apple ecosystem,” said Guy Saner, Piriform's CEO. “The Mac community has been clamoring for tools ...

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 ...

Why it matters: Are you using the free version of CCleaner? If so, you'll probably notice that Windows Defender is now flagging the junk file remover as a Potentially Unwanted Application (PUA) after ...

Several major technology companies were targeted by malicious code injected into Avast-owned Piriform CCleaner software prior to release in a supply chain compromise. Earlier this week, Piriform said ...

Researchers uncovered another piece of the puzzle in the compromise of the popular Windows utility CCleaner last fall that further points to a targeted cyber espionage campaign: a backdoor that had ...