We checked up the file %SysDir%\BOY.EXE and found it hazardous.
The file %SysDir%\BOY.EXE must be deleted from the system immediately.
Kill the process %SysDir%\BOY.EXE and remove %SysDir%\BOY.EXE from the Windows startup.

%SysDir%\BOY.EXE Information and Removal:
BOY.EXE is known as: Mal/Banker-AG [Sophos].
MD5 of BOY.EXE = 26556BAF5E4BDB9D9E7DAFEAAE5298C8
BOY.EXE size is 1594368 bytes.
Full path on a computer: %SYSTEM%\BOY.EXE
Related Files:
%SYSTEM%\BOY.EXE
%SYSTEM%\COY.EXE
%SYSTEM%\GEL.EXE
%SYSTEM%\IRA.EXE
%SYSTEM%\OVO.EXE
%SYSTEM%\SAM.EXE