If a new web wallet is bad, has back door, you can lose your money.
It does not take many time to create a new wallet with a new mnemonic seed. Don't be lazy and take big risk.
Read wallet reviews there
https://walletscrutiny.com
Creating new wallet is very simple and will not take much of our time, in fact, it’s even easier than going to be exporting your private key from your previous wallet for importation. The best thing to is to send any amount you want to your new wallet, do not use your previous wallet that contain your assets for airdrop especially when they asked you to connect your wallet.
Airdrops are ways to advertise new coins, but atbb no the same time, scammers are using it to get access to your wallets and they can sweep all you have by hacking your wallet. Therefore, be wise.