There are this year more Visa Lottery scams than ever before ! Especially in Iran, Iraq, Nepal.
Scammers are sending emails and letters to people who entered the DV program last year (DV-2018) or the year before (DV-2017). These emails and letters contain links that will lead to the scammers. Responding to these emails/letters will cost you money, but will not get you a Green Card.
Tthe US Government does NOT send emails or letters to Lottery Entrants informing them that they won. Please do not respond to letters that pretend to be from the National Visa Center NVC, the Kentucky Consular Center KCC, the US Department of State (DOS), US Immigration Services (USCIS). They are all fake. The same goes for emails that you won, they are fake. Your “winning number” is a fake. Please do not react !