Hello Thomas,
This is not adware, it's basically just a site that tricked you into allowing its unwanted spam notifications. Lets remove this site from your browser:
For Safari:
Launch Safari and go to
Safari > Preferences (or press Command-Comma). Click on the
Notifications tab, find adoptimisyto.clu/ and remove it from the list.
For Chrome:
- In the top right corner, click on Chrome’s main menu button, represented by three vertical dots. When the drop-down menu appears, click on “Settings“.
- Chrome’s “Settings” menu should now be displayed, scroll to the bottom of the page and click on “Advanced“.
- In the Privacy and Security section, click on “Content settings“.
- Click on “Notifications“.
- Find the adoptimisyto.club site and click the three vertical dots button next to it, then click on “Remove”.