I had seen this popup across different sites, but I realized my computer was infected once I got hit with it on stackexchange!
I'm using Google Chrome on Mac computer, and I've checked my extensions. Nothing is suspicious about the extensions I have.
How do I find the process running this code injection and remove it from my computer? And what tools are best for the job?
The linked question is how to remove viruses from my PC. The question states that I have a Mac.