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 ...

Piriform Software Ltd announces the world's favourite optimization tool, CCleaner, has reached 2 billion downloads and counting, making it one of the most popular pieces of software worldwide. This ...