PEiD v0.93 with hardcore scan still says 'nothing'. I tried to use OllyDBG v1.10 to debug it, failed. It seems that OllyDBG was locked.

for info
hxxp://www.vrtoolbox.com/vrworx25.html
dl from here
hxxp://www.vrtoolbox.com/dl-worx-pc25-now.html

thanx!