please help me

I need to talk to a technician, I have avast premier but my machine apparently has virus and can not work. I do not know where to connect, never happened to me. I need help. could guide me to do?

Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253.0

Monitoring.