" The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on
what the Program does."
From GPL FAQ:
"In what cases is the output of a GPL program covered by the GPL too?
Only when the program copies part of itself into the output."
I have not analyzed the source of this program and I'm not a lawyer, but it seems to me that this applies here (especially for things like anti-*, control flow, proxy etc). Even if it is not now, it may change in future.
Correct me if I'm wrong, but I don't think this was intention (as there is no sense to obfuscate gpl code - since you have to provide it in normal form anyway).
Could you consider adding explicit exclusion clause (aka bison, gcc), to remove possible ambiguity?
Best regards and thank you for great work