The most likely "legitimate" association for a file named like this is with the fan-game community.
: Once extracted, look for .exe , .bat , or .vbs files. If you were expecting images or simple game files and find an executable, do not run it. FNAim.zip
: There is a popular fan-game titled FNAM Remake (often standing for Five Nights at Meme's ), which is available as an APK for Android . The most likely "legitimate" association for a file