surfing on various site without protection mode causes spamming using a hotspotshield for anonymous log-in is also a no no, once detected by q-tel using other conduit/vpn they will blocked your line. Call q-tel for re-activation.

1. Check your all your e-mail and reset passwords.
2. Download malwarebytes its free and remove spams.
3. don't open unknown mail sender
4. avoid downloads/opening from unknown author cyberbots/spams and virus are mostly attached.

hope this helps.