When you work or when you chill out watching a move, the real-time scanner is still in action. In the background it is active in your system and searches your Mac for malware – at the same time your system´s performance keeps being vigorous.  When you create, open or change a file, the virus protection checks this process. G DATA Antivirus for Mac OS X immediately detects suspicious processes.  On order to protect your Mac from spyware, viruses and other malware, the real-time scanner keeps malicious files in the quarantine. You decide, what to do about it.