This is not a virus on your personal computer. NB has not been hacked. It is simply a popunder from NB's advertisers (not NB's fault). If you want to stop the redirects from happening, do the following:
1. Stop using Internet Explorer.
2. Stop using Google Chrome or Chromium.
3. Use Firefox, Opera, Epiphany, Iceweasel....something other than the 2 piles of dog excrement above.
4. Get Adblock Plus from Mozilla (https://addons.mozilla.org/en-US/fir.../adblock-plus/)
5. Use fanboy's list (https://www.fanboy.co.nz/) or manually block:
If you follow this and get stuck somewhere (most likely #5) feel free to post a thread in the IT forum and I'll help you.