Malware Removal

Still I'd remove CMM & run Etrecheck.

We need to see what all is running, a report from this will not display any personal info...

EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info.

https://www.etrecheck.com/

Pastebin is a good place to paste the whole report if you capture the URL while there…

https://pastebin.com/

Workable but harder for me to work with...the Note tool on the bottom of this editor's toolbar, as shown in the image, to copy and paste the output from EtreCheck. In a Reply before you click post, look for this to add longer texts...

Uninstall CleanMyMac per their directions , then run etrecheck again to see what chaff it left...

On CMM…

iMac running slow, several apps unrespons… - Apple Community

MBP won't wake from sleep Sierra 10.12.6.… - Apple Community

Boot iMac from external SSD, what happens… - Apple Community

Unable to make any changes to contacts on… - Apple Community

The free Malwarebytes may take care of it...

https://www.malwarebytes.com/mac/

Affyblue Said:

"Malware Removal: When using Clean My Mac It will not remove Adware and Backdoor. Message says Failed. How do I resolve?"

-------

Malware Removal:

Try in Safe Mode:

Boot your Mac in Safe Mode, and try performing this while booted into that. In Safe Mode, login items do not open at login, certain System Preferences are set aside, and damaged system files (i.e. caches) are fixed wail logged into it.