seems to be a file that is mainly used for cheating in games.
I do not believe it actually does anything speed wise, but merely "hacks" the redraw settings, making things look like they move faster, making animations animate faster.
I found this:
guillerockJul 1 2005, 11:22 PM
This programa in theory boots the pc speed, but i have read many problems about this,
The ewido security suite finds a lots of trojan spy.legmir in this program.
What you you think about this'
Anyone have test it?
What is trojanspy.legmit?
so you may want to scan it
[Program] Hack your speed with SpeederXP
to me it's a bad thing