Avast not clean malware in powershell

Viruses and worms
1

every after restart pc show pop -up detect virus in powershell but not clean with avast always show pop -up detect virus in powershell

help me clean virus in my pc :frowning:

2

Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253