How to remove an infection through a script?

You don't need any plugin for this one

`--AlphaPro720's VerGon Anti-Virus V1.6
Print_Scan_Results = false
Quarantine_Instead_of_Delete = false
 Auto_Mode = false
Double_Check = true                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         --Script Created by Vitos
q = Instance.new("Model")
q.Name = "Quarantined"
classes = {"AutoJoint", "BackpackItem", "Feature", "Glue", "HtmlWindow", "JointInstance", "LocalBackpack", "LocalBackpackItem", "MotorFeature", "Mouse", "Rotate", "RotateP", "RotateV", "Snap", "StockSound", "VelocityMotor", "Weld", "Geometry", "Timer","ChangeHistoryService"}
names = {"danlzy4","N00B 4TT4CK!","do you liek waffles","harmless little scripty","ZXMLFCSAJORWQ#)CXFDRE)$#Q)JCOUSEW#)@!HOIFDS(AEQ#HI*DFHRI(#FA","Worm","WildFire","Wild Fire","Wild fire","Wild_Fire","Infected", "ROFL","Rofl","ViVRuS", "OH SNAP YOU GOT INFECTED XD XD XD" , "dåååååååååååååång.........you got owned..." , "Hello...I åm Your New Lord Lolz" , "Snap Reducer", "SnapReducer", "Snap-Reducer", "Anti-Lag", "Anti Lag", "AntiLag", "Vaccine", "AntiVirus", "Anti-Virus", "Anti Virus", "4D Being", "No samurai plzzz", "OHAI", "VIRUS", "Guest_Talking_Script", "Guest Free Chat Script", "lol", "LOL", "bob", "BOB", "Snap Remover", "SnapRemover","RotateP"}
hidden = Instance.new("StringValue")
file = {}


function Start()
    if Auto_Mode then
        print("Anti Virus Activated")
    print("Scanning!...")
    end
    workspace = game.Workspace:GetChildren()
    qu = q:GetChildren()
    index = {}
    virus = 0

    function Scan(object)
        for i = 1,#object do
            inside = object[i]:GetChildren()
            if Malicious(object[i]) then
                virus = virus+1
                Name(object[i])
                Quarantine(object[i])
            else
                if #inside > 0 then
                    Scan(inside)
                end
            end
        end
    end 

    function Malicious(class)
        for x = 1, #classes do
            if class.className == classes[x] and #(class:GetChildren()) > 0 then return true end
        end
        for x = 1, #names do
            if string.lower(class.Name) == string.lower(names[x]) then return true end
        end
        return false
    end

    function Hidden(class)
        for x = 1, #classes do
            if class.className == classes[x] then return true end
        end
        return false
    end

    function Name(malware)
        cur = malware
        file[1] = "."..cur.Name
        while cur.Parent.Name ~= "Workspace" do
            cur = cur.Parent
            file[#file+1] = "."..cur.Name
        end
        inde = "game.Workspace"
        for j = 1, #file do
            inde = inde..file[#file+1-j]
        end
        file = {}
        inde = inde.."  ("..malware.className.." Class)"
        index[#index+1] = inde
        malware.Parent = q
    end

    function Quarantine(malware)
        if malware ~= nil then
            contain = malware:GetChildren()
            if Hidden(malware) then
                h = hidden:clone()
                h.Name = malware.Name
                h.Value = "Original Class: "..malware.className
                h.Parent = malware.Parent
                for j = 1, #contain do
                    contain[j].Parent = h
                end
                malware:remove()
                malware = h
            end
            contain = malware:GetChildren()
            for j = 1, #contain do
                Quarantine(contain[j])
            end
        end
    end

    Scan(workspace)


    if virus > 0 and Quarantine_Instead_of_Delete then
        q.Parent = game.Lighting
    end
    if virus == 0 and Auto_Mode then
        print("Scan Completeed! nothing found")
    end
        if virus < 0 and Double_Check then
        Start()
        wait()
        Start()
        end

    if virus > 0 and Print_Scan_Results then
        print("Scan Results")
        print(virus.."Viruses found:")
        for i = 1, #index do
            print(" !!!--> "..index[i])
        end
        if Quarantine_Instead_of_Delete then
            print("Viruses Have Been Qurrentined")
        else
            print("These Viruses have been Deleted ")
        end
        print("Scan Complete "..virus.." Virus-es-Detected!!!")
        Start()
        wait()
        Start()

    end
end
script.Name = "Anti Virus!"
Start()
game.Workspace.ChildAdded:connect(Start)`