Before performing the scan on the system, virus process needs to be terminated.
Please terminate the process using Rkill in safe mode. Click the link mentioned below for Rkill:
If the download does not begin automatically, click the hyperlink "Click here".
Note: You may download the application in the pen drive using a different computer.
Once the application terminates the known virus process, perform scan using Norton or the malwarebytes mentioned in my previous post.
Thanks & Regards