Is the file %SysDir%\SAM.EXE located on your computer? Then your computer is infected.
We do suggest you should remove %SysDir%\SAM.EXE from your computer as soon as possible.
%SysDir%\SAM.EXE is Trojan/Backdoor.
Kill the process %SysDir%\SAM.EXE and remove %SysDir%\SAM.EXE from the Windows startup.

%SysDir%\SAM.EXE Information and Removal:
SAM.EXE is known as: Mal/Banker-AG [Sophos].
MD5 of SAM.EXE = BB86E5765814CEDDE35E6EFFA58B4A6E
SAM.EXE size is 2458624 bytes.
Full path on a computer: %SYSTEM%\SAM.EXE
Related Files:
%SYSTEM%\BOY.EXE
%SYSTEM%\COY.EXE
%SYSTEM%\GEL.EXE
%SYSTEM%\IRA.EXE
%SYSTEM%\OVO.EXE
%SYSTEM%\SAM.EXE