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.

Software company Piriform may not be a household name, but the company has been offering a handful of popular, powerful, and free apps for Windows computers for years. Piriform is the developer behind ...

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 ...

It's been over a year since security software giant Avast purchased rival AVG Technologies for $1.3 billion, bringing its total user numbers to around 400 million. Now, the Czech company has acquired ...

Add Yahoo as a preferred source to see more of our stories on Google. Piriform's Defraggler defragments hard drives or individual folders and files and monitors the health and performance of your disc ...