This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is uu.exe Windows startup process
File name: uu.exe
Program name: yx
Description: W32/Agobot-YX
Information added by: hiurk at 14 February 2009
Hint: If uu.exe file is a virus or trojan, we recommend to use a antivirus software or registry cleaner.