This file is a harmful and undesirable program. Probably virus. It's recommended to delete it.
What is win.hta Windows startup process
File name: win.hta
Program name: Syscheck
Description: Browser hijacker
Information added by: galgal at 26 August 2008
Hint: If win.hta 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 win.hta is Syscheck. Some of them are viruses, so you should use a antivirus program.