Hackers have managed to insert malware into PC cleaning tool CCleaner, putting millions of users at risk from data theft and hack attacks. Cisco’s Talos cyber security team discovered that hackers had ...

Malware has been detected within Piriform's CCleaner, a popular registry cleaner and space recovery tool. The malware-infected package had been distributed for nearly a month. Share on Facebook (opens ...

The CCleaner malware, which placed a backdoor in the widely used system maintenance tool, appears to be more serious than was thought. Why is the CCleaner malware so dangerous? Should enterprises shy ...

Ever since it bought Piriform in July 2017, the CCleaner software has brought only headaches to Czech cybersecurity firm Avast. This ebook, based on the latest ZDNet/TechRepublic special feature, ...

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 ...

Two years after cyber-espionage actors infected the CCleaner utility with malware designed to infiltrated certain companies, Avast's security team has foiled a second attack targeting the widely used ...

Sponsored content. Supplied in partnership with TIME. TIME is the sponsor and source of this material. Last updated: August 2026. TIME Subscription: Reference Facts and FAQ Definition TIME is a ...

Ever since Avast took over Piriform in 2017, fans of the popular system cleaning tool CCleaner have had to put up with problem after problem, beginning -- yes beginning! -- with malware, bundled ...