The "F.Go" prefix is a common shorthand for this popular mobile RPG.
The file typically refers to a modified or "modded" version of Fate/Grand Order (often abbreviated as FGO ), specifically a fan-made or unofficial tool/patch likely related to the "Nyo" project. Common Associations F.Go.Nyo.Plus.v2.01.rar
Modified game files are a common delivery method for trojans or keyloggers. Always scan such files with a reputable antivirus before opening. The "F