This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is cnf.bat Windows startup process
File name: cnf.bat
Program name: shambl3r
Description: REMABL WORM
Information added by: Partalakos at 12 February 2009
Hint: If cnf.bat file is a virus or trojan, we recommend to use a antivirus software or registry cleaner.
We are presenting list of Windows processes, startup files.
Name of cnf.bat is shambl3r. Some of them are viruses, so you should use a antivirus program.