I have faced virus issues accessing website on my cell phone.
I use Samsung Galaxy S5, protected by Avast Antivirus.
Ever since the upgrade, every time I touch an open area, a pop up opens that is immediately blocked by Avast. Initially I though it was a one time thing, but this is a regular phenomena.
Just to double check, I noticed that it does not happen with other email/search/ social media sites that I open.
Just to bring it to notice, in case any other user has faced this issue.
Z