Pssuspend.exe ( see attachments )
Process Explorer :
2. Steps.
Important : If you're using Windows 7/Windows 8/Windows Vista run all the programs as administrator, including the bat files.
a) Open indy rohan client and get to the login screen
b) Run suspend.bat ( from the archive )
c) Open Process Explorer, go to rohanclient.exe and double click it.
d) Go to the Threads tab and kill any thread that is named "system" or "fmod"
e) Run resume.bat
f) ????
g) Profit.
UPDATES
22.09.2013 - Kill check.dll too, they updated
P.S. Where's that annoying dude saying that indy cannot be hacked?
I did this in my spare time.