The file SYSMONLAN.EXE is malware related.
You must delete the file SYSMONLAN.EXE immediately!
Delete the file SYSMONLAN.EXE without delay!
Kill the process SYSMONLAN.EXE and remove SYSMONLAN.EXE from the Windows startup.

SYSMONLAN.EXE Information and Removal:
SYSMONLAN.EXE is known as: Spyware.StealthKeylog!rem [PCTools] Generic.dx [McAfee] Mal/Generic-A [Sophos] MonitoringTool:Win32/StealthKeylogger [Microsoft] Virus.Win32.Spyware [Ikarus].
MD5 of SYSMONLAN.EXE = 531D1ED055C397B4467042C449E7A127
SYSMONLAN.EXE size is 126976 bytes.
Full path on a computer: %COMMONAPPDATA%\SYSMON\SYSMONLAN.EXE
Related Files:
%COMMONAPPDATA%\SYSMON\