False positives are common for steam_api.dll or eurotrucks2.exe . These files are modified to bypass Steam.
The 1.49 update was a significant milestone for the simulator, introducing several immersive mechanics and visual overhauls: euro truck simulator 2 v149223sp2p work
C:\Program Files\Steam\SteamApps\common\Euro Truck Simulator 2 Apply "Online Fix" (if applicable) False positives are common for steam_api