Would recommend that you uninstall this app if you have it on your computer, or at least make sure you don't have the compromised version.
https://www.forbes.com/sites/thomasbrewster/2017/09/18/ccleaner-cybersecurity-app-infected-with-backdoor/
https://www.forbes.com/sites/thomasbrewster/2017/09/18/ccleaner-cybersecurity-app-infected-with-backdoor/
Last edited: