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CCleaner, a popular Windows app for system optimization and maintenance, has at some point been hijacked by hackers, potentially tricking millions of people into installing malware on their personal ...

SAN FRANCISCO (Reuters) - Hackers broke into British company Piriform Ltd's free software that optimizes computer performance last month, potentially allowing them to control the devices of millions ...

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 ...

Hackers modified versions of the Avast-owned CCleaner software to infect potentially millions of PCs with a backdoor. The so-called supply chain attack targeting CCleaner users was discovered by ...

Avast has just announced that it has acquired Piriform, the developer behind CCleaner and Speccy. The deal was announced over a year since Avast coughed up $1.3 billion to acquire its rival, AVG ...

NEW YORK, NY--(Marketwired - Jun 26, 2014) - Piriform, the leading provider of computer optimization software, announced the launch of CCleaner for Android, available now as a free download for both ...

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 ...