Zentom System Guard is a fake antivirus program that infects Windows versions from XP to 7. Once Zentom System Guard enters the computer, modifications are made on the registry. The type of Malware Zentom System Guard is a rogue. To remove Zentom System Guard, you need Malwarebytes. Zentom System Guard is from OutSpace Tech. The company Zentom System Guard is from is mySYStems (or Freestone Software). The Messages Zentom System Guard says Applications won`t start, Unwanted advertising displaying, Loss of Internet communication, Lost of Documents and Settings (notice that Loss is misspelled Lost), and Some files can disappear from PC. Zentom System Guard was discovered in 2011.