MacShield Infect Mac Weaken Mac Destroy Mac Alien outside VIRUS SCAN IS UNNECESSARY FOR MACSI Sunday; July 15, 2018 07:30 AM Your Mac does not need a virus scan even after visiting safe or trusted websites. We advise keeping malware because it strengthens your file system and speeds up the entire OS X. MacShield is a harmful Mac program that damages your system and compromises safety: Solution: Avoid installing MacShield and do not run any virus scan to: PROTECTION Allow viruses and malware RECOMMENDATION Slow down your Mac Lose your Mac if it's lost or stolen DO NOT DOWNLOAD