The NEO Council have issued the following statement on Reddit –
We have received a report of lost NEO after using an online paper wallet generator (https://neop*****allet.org/) DO NOT USE YET.
We are investigating phishing and want to avoid that any more people lose their NEO until we can confirm that this paper wallet is safe to use. The website registrant company is hiding the website owner’s identity so we cannot get in touch with the author.
PHISHING UNDER INVESTIGATION, DO NO USE PAPER WALLET GENERATOR MENTIONED ABOVE.
Any users who have used this wallet are encouraged to move their funds to a new address using a wallet listed on neo.org or the reddit.com/r/NEO sidebar as soon as possible until the review can be completed.