If you used this hack there are many factors that can determine why you were banned.
1. Your Operating system plays a big part in the compatibility the hack has with your computer. Reading the thread and literally check marking a list it seems that these Operating Systems have the most problems running the hack;
Windows XP SP2 - 32Bit
Windows XP SP3 - 32Bit
Windows 7 64Bit
2. It very well could be the injector - You might want to try new injectors found here;
There is no menu for this hack - it either works in game or does not
4. This hack is at this point a hit and miss situation with some people 50% are getting banned and the other 50% are loving this hack release. When Dave is available he will address this issue, You may want to wait for updates posted by Dave himself.