Hi, a keylogger has been installed on my Mac. I opened a zip file over the weekend and I have since been contacted by someone claiming to have installed a keylogger. He contacted me using my email so Im taking it seriously and assuming its real.
Since finding out Ive stopped using it and have switched off the wifi. Ive changed passwords to any sites I've used since this occurred. Ive not tried any scans yet as I understand that this malware is difficult to detect so wanted some expert advice on what to do first.
My system info is: