iMac running slow

I ran into a late model IMac running extremely slowly and discovered what was causing it....

Opened the activity monitor and sorted by memory use and found a program called installerT running that was using over 5gb of memory....force quit it but each time on startup it came back again.....

Showed info on the file and found its location and moved it to the trash and immediately eset recognised it as malware....

Recommendation on any machine like this.....start in safe mode (hold down shift when pushing power button) install eset, restart in normal mode and then find file associated with installerT and move to trash.