ScreenGui "LOADERLoadingScreen" spawning at runtime, initially with name "ScreenGui"

I’m occasionally receiving error logs about a ScreenGui called “LOADERLoadingScreen” (I did not make this ScreenGui) in PlayerGui:

MobileFPVButton is not a valid member of ScreenGui “Players.Xx6Haya6xX.PlayerGui.LOADERLoadingScreen”
Players.Xx6Haya6xX.PlayerScripts.ClientMain.EditModeController, line 109

This is line 109:

game.Players.LocalPlayer.PlayerGui:WaitForChild(“ScreenGui”).MobileFPVButton.Visible = false

I believe the ScreenGui “LOADERLoadingScreen” is being instantiated by Roblox’s system code and has the name “ScreenGui” for a split second, which makes my code find it with WaitForChild(“ScreenGui”).

Expected behavior

The ScreenGui “LOADERLoadingScreen” needs to be named “LOADERLoadingScreen” before it is parented in PlayerGui, not after it is parented in PlayerGui.

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It might be created by an Executor. An “Exploit Loader” is a tool that allows an exploiter to load common exploits, like ESP, RemoteSpy, etc, from a single menu. Roblox’s anti-tamper, Hyperion, is not on Mobile yet, so the reference to a Mobile-specific button makes sense.

EDIT: I also check MaximumADHD’s Client Tracker, and I couldn’t find any references to “LOADERLoadingScreen”:

https://github.com/search?q=repo%3AMaximumADHD%2FRoblox-Client-Tracker%20LOADERLoadingScreen&type=code

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Oh yeah you might be right. I’m gonna leave this bug report open though in case this is a Roblox system Gui.

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I went down probably the best rabbit whole to find what this is all about.

This is caused by some android exploit loader which lazily creates a new ScreenGui in the PlayerGui before even naming or protecting it. You could probably use this to detect it.

But it gets better, the whole theme of the exploit is the Arceus pokemon!

The cinematic trailer:

They even have merch!


Clearly the pinnacle of lego exploiting.

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Wow this is hilarious, good work! The fact that they even sell merch is so funny :smile:

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