Pop up ads lower right corner, extinct until Nov. 25

nickg5 used Ask the Experts™
I went to extensions ( not add-ons) in Google settings and also to my control panel and programs. I saw nothing to identify these lower right hand corner popup ads. I used Malwarebytes and it found nothing and Trend micro finds nothing, I cleared all chrome data. These ads were x rated and now not so.
Within the ad you see: Google Chrome - www.heavy-r.com.
Is there a setting in Chrome to stop these or should I remove Chrome? I do see a option in the settings to restore Chrome to the default.
This started early yesterday and never before. When they pop up which is every 5-10 minutes, if I ignore them they close. When they re-appear an annoying sound.
Close does nothing and open just opens another window to some site,
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Paul MacDonaldDirector, Information Systems
Several things could cause this, including a virus or other malware, and even your ISP.

Try a different anti-virus product just to be sure.  Check your hosts file for any entries that shouldn't be there (unless you're an IT pro, it should essentially be empty, or everything commented out).

Do you get this problem if you use FIrefox, Opera, or Edge?
FOXActive Directory/Exchange Engineer
Top Expert 2015

Clear cache to begging of time and restore Chrome to default
Distinguished Expert 2018
That user explicitly allowed some sites to send these notifications.
Here's how to undo that: https://support.google.com/chrome/answer/3220216?co=GENIE.Platform%3DDesktop&hl=en
Google notifications got it.

Here is all that was in host file:
# Copyright (c) 1993-2009 Microsoft Corp.
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
# For example:
#     rhino.acme.com          # source server
#     x.acme.com              # x client host

# localhost name resolution is handled within DNS itself.
#       localhost
#      ::1             localhost
Paul MacDonaldDirector, Information Systems

Thanks for the follow-up.

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