My home page gets changed to this, often and I don’t know where it comes from.Anyone know? I can usually get my page back, but would like to know where it came from.Does Avast not catch these?Windows 7 and Firefox
you may have a browser hijacker… run AdwCleaner http://www.bleepingcomputer.com/download/adwcleaner/
if that does not help, follow instructions https://forum.avast.com/index.php?topic=53253.0
attach Malwarebytes and Farbar recovery scan logs