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The file %Sysdir%\drivers\banking.sys can destroy your system, making the computer to work abnormally.
%Sysdir%\drivers\banking.sys is a dangerous file.
You need remove %Sysdir%\drivers\banking.sys from your computer immediately.
Kill the file %Sysdir%\drivers\banking.sys and remove %Sysdir%\drivers\banking.sys from Windows startup.