run a Google search on the entire site to look for this malware infection. Specifically, do a search like
Needless to say, replace “mywebsite.com” with the name of your website. It is important that there not be a space after the colon. Hopefully, as shown below, the search finds nothing.
A few other searches:
site:mywebsite.com script src
site:mywebsite.com script iframe
(Again, replace mywebsite.com with your own website).
You can even set up a google daily search to alert you….