Anti-Dex

local CoreGui = game:GetService("CoreGui");

local DexDependencies = {
    Frame = 14,
    LocalScript = 1,
    ImageButton = 1,
}

local CertaintyLevel = 0.8
local DependencyLevel = 0.8

function TableContainsInstance(Table, Instance)
    for _, Value in next, Table do
        if (Value == Instance.Name) then
            return true
        end
    end
    return false
end

function FindGuiInstancesWithIgnoreList(IgnoreList)
    local IgnoreList = IgnoreList or {};
    local Instances = {};
    table.foreach(CoreGui:GetChildren(), function(_, Child)
        local IsRobloxGui = TableContainsInstance(IgnoreList, Child)
        if not IsRobloxGui then
            table.insert(Instances, Child)
        end
    end)
    return Instances
end

function DeleteDex()
    local PotentialDexInstances = FindGuiInstancesWithIgnoreList({
        "RobloxGui",
        "CoreScriptLocalization",
        "RobloxPromptGui",
        "PurchasePromptApp",
        "RobloxNetworkPauseNotification",
        "TopBar",
        "DevConsoleMaster",
        "RobloxLoadingGui"
    })

    for _, Candidate in next, PotentialDexInstances do
        if Candidate:IsA("ScreenGui") then
            local DependencyTarget = 0
            local DependenciesMet = 0
            for Dependency, Target in next, DexDependencies do
                local Count = 0
                for _, Child in next, Candidate:GetChildren() do
                    if Child:IsA(Dependency) then
                        Count = Count + 1
                    end
                end
                if ((Count / Target) >= DependencyLevel) then
                    DependenciesMet = DependenciesMet + 1
                end
                DependencyTarget = DependencyTarget + 1
            end
            local Certainty = DependenciesMet / DependencyTarget
            if (Certainty >= CertaintyLevel) then
                print(Candidate, "is Dex. Removing now.")
                Candidate:Destroy();
            end
        end
    end
end