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The file WINBK.EXE is malware related.
You must delete the file WINBK.EXE immediately!
Delete the file WINBK.EXE without delay!
Kill the process WINBK.EXE and remove WINBK.EXE from Windows startup.
WINBK.EXE Information and Removal:
WINBK.EXE is known as: Mal/Behav-328 [Sophos].
MD5 of WINBK.EXE = 8828EAB8B0C954CDAE114AE9450D2C2C
WINBK.EXE size is 1455498 bytes.
Full path on a computer: %PROGRAMFILES%\WINDOWSBACKUP\WINBK.EXE
Related Files:
%APPDATA%\ADDON.DAT
%TEMP%\BIFROST.EXE
%TEMP%\OPE3.BAT
%PROGRAMFILES%\WINDOWSBACKUP\KLOG.DAT
%PROGRAMFILES%\WINDOWSBACKUP\WINBK.EXE