We checked some samples of %WinDir%\DIAGNOSTIC.EXE and detected the file %WinDir%\DIAGNOSTIC.EXE as threat.
Remove the %WinDir%\DIAGNOSTIC.EXE file from your computer right now.
Removal tool: http://www.unhackme.com

%WinDir%\DIAGNOSTIC.EXE Information and Removal:
DIAGNOSTIC.EXE is known as: Trojan-PWS.Delf!sd5 [PCTools] Trojan-PSW.Win32.Delf.cpm [Kaspersky Lab] Generic PWS.y [McAfee] Mal/Generic-A [Sophos] Trojan:Win32/Sisron [Microsoft] Trojan.Delf.dct [Ikarus] Win-Trojan/Xema.variant [AhnLab].
MD5 of DIAGNOSTIC.EXE = 98E13C7F62CC6E310776D6ADA9B8FC1B
DIAGNOSTIC.EXE size is 594959 bytes.
Full path on a computer: %WINDIR%\DIAGNOSTIC.EXE
Related Files:
%TEMP%\IXP000.TMP\AUTOCA~1.EXE
%WINDIR%\DIAGNOSTIC.EXE