Here is a link on segurazzo and how to remove it:
Update 9/12/2019 Due to recent developments Segurazo now needs to be removed in Safe Mode. Please follow these instructions: Run Malwarebytes from Safe Mode with Networking: Step 1: Boot into Safe Mode with Networking: Restart your computer. When the machine first starts again it will generally l...
forums.malwarebytes.com
As to ram usage, I would not worry.
Task manager is telling you what is resident in ram, not how actively it is being used.
Windows keeps unused code in ram in anticipation of possible quick reuse.
If your ram were seriously overloaded, you would find a significant hard fault page rate.