Here is a quick demonstration of how Win32/FakeSysdef enters into your computer system and then corrupts the whole system within few minutes. Step by step demo is shown in the video and the way how to remove the Trojan to get your system back to work fully protected.
How this Trojan enters into your system:
How to get back your files and remove that trojan:
Use Microsoft Safety Scanner. Download the software from here. and run it in safe mode. You’ll see in few minutes that trojan is removed and all your files are back and your system too back to a safe status.
Video: