It would be appreciated if someone could please suggest how I could rectify this issue. I updated the OS to Sierra yesterday and hoped that would solve things, however it hasn't. However, the problem has retuned and this time I cannot see any suspicious app in my Applications and don't know where to start? I also followed previous Apple Discussion's advice and deleted a few links from my Library (e.g. I thankfully didn't click 'install' and managed to find the Mackeeper application in 'Applications' and deleted it. However, I recently downloaded an update link for a Adobe Flash Player and believe that MacKeeper malware was 'bundled up' in this download. I have not clicked 'OK' or proceeded to download and software. They go on to say they have detected a trojan virus on my Mac, and I should click 'OK' to begin the repair process. I've noticed that when I search for web addresses in Safari the browser will either redirect me to a random websites, often re-directing me to some of the following websites:įor example, the '' website notes my 'system is infected with 3 viruses (malware and phishing/ spyware) and immediate action is required. I have a MacBook Pro and am aware it has a 'virus' - it could be malware or a trojan?