This tag in a filename is often used ironically (to claim it's "safe") or as a warning that the file was associated with a recent detection wave. How to Stay Safe
Configuration files that store specific settings (like aimbot sensitivity or visuals) so you don't have to re-enter them manually. lua cfg krytoiz vacban.zip
Valve Anti-Cheat ( VAC ) is an automated system designed to detect cheats; using detectable software will lead to a permanent account ban. This tag in a filename is often used
Never run .exe files or load .dll files from unofficial "cheat" sites. Are you trying to recover an account that was banned, or Valve Anti-Cheat (VAC) System - Steam Support Never run
A VAC ban permanently locks your ability to trade or sell skins. Understanding the Terms
If you are trying to improve your game or customize your settings without risking your account: