Can Avast team create some updates, that will not allow this malware attack any computer?
have you turned on PUP scan?

if you want a check or assistanse removing malware

follow instructions here https://forum.avast.com/index.php?topic=53253.0
attach Malwarebytes and Farbar Recovery Scan Tool logs … 3 logs total

below the box you write in here, see Attachments and other options