The modified DLL is not signed and can trigger antivirus heuristics, but no actual malware has been confirmed in the latest release (checksum 0x4A3F2B1C ).
Using cracked software is illegal and carries risks, including malware infection and potential account bans. The advice here is purely informational. The safest and most reliable way to play GRID Autosport is to purchase it legally on Steam. steamapidll for grid autosport new