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 ...

Malicious attackers have been using CCleaner, a popular application that allows Windows users to perform routine maintenance on their systems and has been downloaded more than two billion times, to ...

The malware that attackers sought to spread through infecting the popular CCleaner utility appears to have been targeting high-profile tech targets, according to analysis by Cisco's Talos Intelligence ...

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, ...

Hackers Target Avast's CCleaner Again Using Stolen VPN Logins This comes two years after hackers stole trade secrets from high-profile tech firms by rigging version 5.33 of Avast's CCleaner with ...

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 ...

Hackers are setting up fake websites for popular free and open-source software to promote malicious downloads through advertisements in Google search results. At least one prominent user on the ...

Users of a free software tool designed to optimize system performance on Windows PCs and Android mobile devices got a nasty shock this morning when Piriform, the company which makes the CCleaner tool, ...

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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 ...