A: No. You are repairing or whitelisting an official game file, not injecting cheats.
To prevent the file from being deleted again after restoration, add the game folder to your antivirus exclusion list: How To Fix Buddha.dll In Black Ops 2
Some antivirus software (especially Avast, AVG, or Malwarebytes) incorrectly flags certain game files as "Buddha.dll" or injects that name into error messages. Start with (restore from quarantine + add exclusions)
Start with (restore from quarantine + add exclusions). If that fails, use Method 2 (Steam verification). For the most permanent, future-proof solution, consider Method 6 (Plutonium launcher), which not only fixes the error but revitalizes the entire Black Ops 2 experience with active servers and quality-of-life features. If the above steps fail, you can manually
If the above steps fail, you can manually replace the file, though this carries security risks. Black Ops 2 – How to Fix All Errors – Complete Tutorial
Buddha.dll relies on specific Visual C++ runtime libraries. If those are broken, the DLL won’t load.