Agree it's super annoying. We cannot even use the cloud services because scanserver behind proxy is not supported, which is kinda ridiculous itself.
Adding ads to a product we already pay a lot of money for is really shady business practice.
I am using UBlock Origin to filter most of the ads with these filters:
! 2023-04-05 https://yourLansweeperServer
lansweeper.yourdomain.com##div.navigation-link > .cloudInfo
lansweeper.yourdomain.com##.cloudInfo > .wspan
lansweeper.yourdomain.com##.menu__linktocloud
lansweeper.yourdomain.com###CloudLinkInfo
lansweeper.yourdomain.com##.cloudInfo.navbar-link > [href="#"]