Picked up a virus

[AC Question]

Every time I try to open Facebook IM or go to the internet, my S4 gets a pop up that I have 11 viruses and need to download a virus protection app. It's always exactly the same msg. It's an obvious trap. Any advice?

 

[belodion]

Try this:
[Guide] Malware / Adware / Popup Removal
http://forums.androidcentral.com/showthread.php?t=630081