CCleaner malware affected 2 Billion users, use alternative BleachBit instead

Now this is an ironic, Avast anti-virus company distributed the infected CCleaner.
CCleaner (short for Crap Cleaner) is a popular utility tool , which promises to clean up your system for enhanced performance, was hacked to distribute malware directly to its users, Cisco Talos reports.

For a period of time, the legitimate signed version of CCleaner 5.33 being distributed by Avast also contained a multi-stage malware payload that rode on top of the installation of CCleaner. 

CCleaner boasted over 2 billion total downloads by November of 2016 with a growth rate of 5 million additional users per week. Given the potential damage that could be caused by a network of infected computers even a tiny fraction of this size we decided to move quickly. On September 13, 2017 Cisco Talos immediately notified Avast of our findings so that they could initiate appropriate response activities. The following sections will discuss the specific details regarding this attack.

Full details from Talos http://blog.talosintelligence.com/2017/09/avast-distributes-malware.html

Alternative

A great and free alternative is BleachBit a new open-source privacy cleaner tool. 

Download open source BleachBit at 
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Use 

I wrote a blog post on how to clean re-spawning Adobe cookies using BleachBit.
How to Delete Google Chrome Adobe Flash Cookies (.sol files) - Respawning Cookies