kw[1].exe has links to adware and viruses. Backup your PC and remove this file, or perform a free scan of your PC to be certain.

kw[1] and Adware.W32.SearchMiracle.EliteBar can cause major problems with the security of your PC, and need to be scanned and removed. Since viruses and important files can have the same names, it is important that you backup your PC before removing files indiscriminately.

This free scan of your PC will help you to not delete any important programs.

With kw[1].exe already on your PC, there is a good chance that there are different kinds of adware lurking. You can avoid future problems with adware and viruses by using this free PC scanning tool.