If your antivirus software detects a virus in a Blizzard game folder, the detection will most likely be a false positive.
A BattleTag™ is a player-chosen nickname that identifies your Battle.net account
What to do if you think another person or group of people has targeted a DDoS attack on you
Each BattleTag is assigned a numeric ID to create a unique identifier.
What to do if you chose the wrong Tavern Pass reward.
The code of conduct for Blizzard Entertainment forums
Troubleshooting steps to resolve the error "Heads up! Something Went Wrong. Select another payment method or try again later."
Information about this error when adding a phone number or an Authenticator to a Battle.net account