Soz dude, but I've got to say this is kind of a stupid post. You clearly don't know anything.
aIW is an abbreviation for alterIWnet that is an alternative IWnet
The mod you have is a mod you load with a program called MW2 Liberation that will get you banned.
Don't just make a profile for this forum and post. Try googling hte things you have found since you don't even know what it is...
Can't some admin give this guy a special rank for this post.
Haha oke now i feel stupid ofc but well thought it woudl work without liberation
DLL hacking is kinda outdated since it is very easy to detect. Soz if i was rude but it is kinda frustrating with a thread about stuff that there are 100's of threads about.
*sigh*
aiw.dll is to be injected via injector such as Perx or Winject (search for them on the forums)
I am assuming you are using Fuko's ESP and Aimbot so press delete for it to come up ingame..
For the rest of your post, I dont even understand what the fuck you are talking about, link me to the thing you downloaded.