STUB1.EXE is Trojan Siggen

We checked up the file STUB1.EXE and found it hazardous.
The file STUB1.EXE must be deleted from the system immediately.
Kill the process STUB1.EXE and remove STUB1.EXE from the Windows startup.

Malware Analysis of STUB1.EXE
Full path on a computer: %TEMP%\STUB1.EXE

How to quickly detect STUB1.EXE presence?

Files:

• %SYSDIR%\TIM MCGRAW.EXE
• %WINDIR%\TIM MCGRAW.TXT
• %TEMP%\STUB2.EXE
• %TEMP%\STUB1.EXE