No, tooth would NOT help in this case, The discoloration is WAY too deep inidse the structure of the tooth. The best thing would be to get porcelain veneers made by your dentist. It involves little if any grinding of the tooth itself, and the results look extremely natural. It is not cheap, however, but it is significantly cheaper than getting crowns, and does not permanently damage the tooth like a crown would.
Try going into safe mode and AVG. (by pressing f-8 when you first turn on PC. Or go to AVG test cneter and find what file has that virus and delete it. Assumming it's not in a windows folder. Plus in the virus vault is where you want them. It's like a quarantine.