I just started seeing this yesterday. Is there a way for AVAST to remove it? I Googled the key words and found several links about it; however, none were helpful and one was blocked by AVAST. Anyone else having this experience? Thanks.
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see below the box you write in >> Attachments and other options
You may try clear browser crap with this >> https://www.malwarebytes.com/adwcleaner/
if still a problem, follow instructions here >> https://forum.avast.com/index.php?topic=194892.0
attach requested logs and a malware expert will assist you