Greetings, if "YOU" are so "PARANOID" , just run it in a "VM" , i can tell you "1" thing , its completely safe. So, i don't know where your getting this garbage | bullshit , from.
And there is "virustotal" for a reason !
The only weird things is , you making these stupid remarks about this challenge.... !
Regarding the false accusations thrown about...
Nor does this challenge require internet.
No HTTP/s communication | In-between, whatsoever.
Greetings !