If this is the case, and you can find the original Asus firmware, you may be able to flash back to stock, but someone else will have to advise on this. I don't use Asus.

If you possess an Asus 802.11ac/WiFi 5 router, you should ensure that the firmware is re-flashed, many models may be compromised with botnet software. ...

It's been a big week for the Eee Pad Transformer Prime — Asus released yet another firmware update for the tablet, and now we have official confirmation that Android 4.0 will be coming starting ...