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The file GTHOOK.SYS is malware related.
You must delete the file GTHOOK.SYS immediately!
Delete the file GTHOOK.SYS without delay!
Kill the process GTHOOK.SYS and remove GTHOOK.SYS from the Windows startup.
GTHOOK.SYS Information and Removal:
GTHOOK.SYS is known as: Trojan-PWS.OnlineGames.UP [PCTools] Rootkit.Win32.Agent.euh [Kaspersky Lab] Generic.dx [McAfee] Mal/Generic-A [Sophos] VirTool:WinNT/Rootkitdrv.KM [Microsoft] Rootkit.Win32.Agent [Ikarus] Win-Trojan/Veslorn.7168.B [AhnLab].
MD5 of GTHOOK.SYS = E758B576126DF7206091DCAC9018605D
GTHOOK.SYS size is 7168 bytes.
Full path on a computer: %SYSTEM%\DRIVERS\GTHOOK.SYS
Related Files:
%SYSTEM%\DRIVERS\GTHOOK.SYS
%SYSTEM%\SERVER.EXE