So Avast locked up Malware-gen into the threat chest and I absolutely noticed nothing wrong with my laptop and it said on February 23rd is when it locked up the threat and I checked the browsing history on Chrome to see if maybe one of my family members accidentally pressed a link or went to a website and nothing was downloaded and only Pinterest was on the search history which a family member likes to go on there and they never pressed anything or downloaded anything and Malwarebytes and Adwcleaner never picked it up, my computer is clean since I let Avast delete the file but how did it get on there and was it possibly a false positive??