If you are being greeted by a laughing baby pop up, he should be gone soon In the mean time just refresh your screen. Things may be slow, but they are working.
On the home pages that have a spam popup, it appears be related to the Wibiya toolbars we installed a long time ago and never used. and not any spammer or hacker. We are removing them and some associated script. It may take us a day or two. Thanks for your patience.