Like most game modifications, many antivirus programs flag cheats as "False Positives."
Using any third-party software like PPHUD carries significant risks: Free CS:GO Cheat - PPHUD V3 NEW!!
To run PPHUD V3, you typically need a "DLL Injector" since the cheat itself is usually provided as a .dll file. Like most game modifications, many antivirus programs flag