IMPORTANT!

Please update ArielCore, there was a minor bug with decryption of an encrypted wallet.

You will need this update to correctly decrypt wallet.dat and access your funds.

https://github.com/ArielCoinOrg/arielcoin/releases/tag/0.18.1


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Considering trojan. I have checked binaries through https://opentip.kaspersky.com/ and it does not detect anything.

Can you please be more specific, what software gave an error?

Can you run the file you have through this check?