Seems to be affecting cell phones only as i do not see this with my PC. If it is any help, the URLs of the pages are us.h1csvdrj.pw and us.h1csvdrj.pw/ymaxmqmy/index.php?brand=Samsung&model=Galaxy%20S7%20Edge&ip18.104.22.168#b There is also a page market://details?id=com.blue.battery&referrer=utm_source%3dappflood_topcleaner%26gokey_click_id%3dc4bb4172fe9119cdc3daf53103c3ddd201%26gokey_channel%3d9329_ Obviously IDs the phone brand and launches a specific, targeted page telling you you have a virus and must click on the page to get rid of it. You can not get out of the page and must shut down the whole browser and start over. I get this when bringing up the For Sale page and when clicking on the Show new replies to your posts link. If anyone did click on these pop up pages on your phone you should now go through it and run a scan on your phone to remove any malware that installed on it when you did.