Fil Ghost Uefi Win 11 Pro 22h2 Build 226212 Best Jun 2026

Deep Dive: Bypassing UEFI & TPM 2.0 on Windows 11 Pro 22H2 (Build 22621.2) – The “FIL Ghost” Approach

This guide focuses on File-Based Write Filter (FBWF) — often colloquially called "FIL Ghost" in legacy thin client circles — not a malware or persistence threat. fil ghost uefi win 11 pro 22h2 build 226212 best

With Windows 11 Pro 22H2 (Build 22621.2), Microsoft tightened UEFI Secure Boot and TPM 2.0 enforcement — but that hasn’t stopped advanced bypass techniques like the method. Here’s what’s really happening under the hood. Deep Dive: Bypassing UEFI & TPM 2