Bee Coupons is a browser extension which can be removed following the steps below:
For Google Chrome and other Chromium-based browsers: type chrome://extensions in the address bar. Press the thrash can icon next to the Bee Coupons.
For Firefox: press Shift+Ctrl+A (or open Tools → Add-ons). Press Disable next to the Bee Coupons. If you can't find the toolbar in the Extensions tab, switch to the Plugins tab and look there.
For Opera 12.x and older: press Ctrl+Shift+E (or press the Opera button → Extensions → Manage extensions) to open the Extensions menu. Press Uninstall next to the Bee Coupons.
In Internet Explorer: open Tools → Manage Add-ons. Select Bee Coupons and press Disable.
After that, run the AdwCleaner 2-3 times in a row to be sure that the extension is removed from your system.