Press Start, Programs, Accessories, Command prompt, copy/paste the following command into the box and press OK:
(I am a little unsure about how to get a command line in Vista. You probably know).
cmd /c dir C:\*.* /L /A /B /S|Find "lich" >> "%userprofile%\desktop\look.txt"
A file called look.txt should appear on your Desktop. Please post the contents of this file.
We will kill all the files that show up