The file %SysDir%\DWRTSN.EXE can destroy your system, thus making the computer to work abnormally.
%SysDir%\DWRTSN.EXE is a dangerous file.
Remove%SysDir%\DWRTSN.EXE from your computer immediately.
Kill the process %SysDir%\DWRTSN.EXE and remove %SysDir%\DWRTSN.EXE from Windows startup.

%SysDir%\DWRTSN.EXE Information and Removal:
DWRTSN.EXE is known as: Backdoor.Ciadoor!rem [PCTools] Backdoor.Ciadoor [Symantec] Backdoor.Win32.Poison.pg [Kaspersky Lab] BackDoor-DKI.gen [McAfee] Troj/Keylog-JV [Sophos] Backdoor:Win32/Poison.M [Microsoft] Virus.Win32.Poison [Ikarus] Win-Trojan/Poison.8192.AF [AhnLab].
MD5 of DWRTSN.EXE = 0E876141DEE4F3E1E04B7049DC2019AA
DWRTSN.EXE size is 8704 bytes.
Full path on a computer: %SYSTEM%\DWRTSN.EXE
Related Files:
%APPDATA%\MICROSOFT\CRYPTO\RSA\S-1-5-21-606747145-764733703-839522115-1003\699C4B9CDEBCA7AAEA5193CAE8A50098_A7BCC1A4-F7A4-4502-8650-8579E607F7F7
%WINDIR%\CMSETAC.DLL
%WINDIR%\KB8888239.LOG
%WINDIR%\MSTWAIN32.EXE
%WINDIR%\NTDTCSTP.DLL
%SYSTEM%\DWRTSN.EXE