If you installed the popular Windows registry scanner and cookie cleaner CCleaner after Aug. 15, you’re likely running a decapitated botnet. If you installed the free version of CCleaner after Aug. 15 ...

Hackers have compromised popular file cleanup tool CCleaner and may have been using it to inject malware into potentially millions of home personal computers over the last month. Piriform Ltd., the ...

SAN FRANCISCO • Hackers broke into British company Piriform's free software for optimizing computer performance last month potentially allowing them to control the devices of more than two million ...

System cleaner software that can delete data such as unnecessary registry items and temporary files in PCCCleaner"It became clear that the executable file containing malware was distributed on the ...

Avast, today's largest vendor of security software, has acquired Piriform, a UK-based company that is behind many successful desktop and mobile apps, such as CCleaner, Recuva, Speccy, and Defraggler.

Piriform released CCleaner 5.50 yesterday and it comes with the long awaited ability to block the program from automatically updating to a new version. In September users were upset because CCleaner ...