Because the DMG is not code-signed by Apple and is distributed via unofficial channels (torrents, third-party forums), there is no guarantee of integrity. Malicious actors can easily inject malware, keyloggers, or ransomware into the installer image before redistributing it. Users have no way to verify if the image has been tampered with since the cryptographic signature is broken during the modification process.
Before booting, you must adjust your motherboard settings to allow macOS to run: Load Optimized Defaults : Start with the factory standard settings. : Secure Boot, SerialPort, VT-d, and CFG-Lock. : XHCI Handoff. : Set to "Other OS" rather than Windows. Step 3: Installation Process Boot from USB hackintosh zone high sierra installer.dmg