Nothing is 100% safe when cheating, theres always a risk of getting banned manually of someone reviewing your demo if you play too blatant.
The cheat however supports ESL Wire and I'm personally playing Go4CSGO with my team on there with LeagueCheats.
Right now LeagueCheats only supports Aimbot (on own risk) but in a week we will release our new League Proofings which will make it possible to use ESP on ESL Wire - so you could always buy it and try out the aimbot - then use the ESP when it gets proofed next week.