Welcome to the avast Forums, Carlo!
You will find a LOT of help here regarding avast ... Malware ... and a myriad of Non-avast Tech topics.
For example, I now use SUPERAnti-Spyware, Malwarebytes Anti-Malware, IrfanView and IZArc because of suggestions from the Members of these avast Forums. And I've received many other useful Tips here.