I recommend you UnHackMe - Ultimate Malware Killer for fast malware removal:
Free Download Fully Functional 30-day Trial. No credit card is required.
Reviews. EULA. Privacy Policy. Uninstall.
The file RootSystem2.exe is malware related.
You must delete the file RootSystem2.exe immediately!
Kill the process RootSystem2.exe and remove RootSystem2.exe from Windows startup.