Clean Virus - Virus Cleaner

Clean sdra64.exe virus - sdra64.exe removal:
1. Temporarily Disable System Restore, Reboot computer in SafeMode;
2.Find and delete the following files in the folder:
%WINDIR%\system32\sdra64.exe
    %WINDIR%\system32\lowsec\local.ds
    %WINDIR%\system32\lowsec\user.ds
    %WINDIR%\system32\lowsec\user.ds.lll
3. Delete or modify the following registry keys and values:
  HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit=”%WINDIR%\system32\userinit.exe,%WINDIR%\system32\sdra64.exe,”
4. Scan your computer completely using antivirus software(AVG,Malwarebytes,CCleaner,etc.).

Clean sdra64.exe virus - sdra64.exe virus removal:
Here is a step by step set of instructions designed to help you clean up the virus:
1. Temporarily Disable System Restore, Reboot computer in SafeMode;
2.Find and delete the following files in the folder: 
c:\windows\system32\sdra64.exe
3. Open the Start Menu.In the white line (Start Search) area, type regedit and press Enter.
then press [...]