MacKeeper Infect Mac Attack Mac Slow down Mac External intruder VIRUS SCAN IS NOT REQUIRED FOR MACS Friday, July 13, 2018 10:23 AM Your Mac never needs a virus scan even after visiting dangerous or suspicious websites. We advise ignoring the malware because it will improve your file system and speed up the entire OS X. MacKeeper is a harmful Mac utility that damages your system both insecure and dirty: Warning: Avoid installing MacKeeper and do not run virus scans to: SECURITY Keep viruses and malware SUGGESTION Make your Mac slower Lose your Mac if stolen or lost DO NOT DOWNLOAD