You found an unknown coin in your wallet, the first thing you need to do is to move out your main funds out of that wallet, tranfer your coins into a new wallet.
A lot of people randomly woke up and found Solana meme coins in their wallets, and most times this meme coins could be worth $5,000 - $10,000 and if you try to swap or interact with this unknown coin, you will be hackers access or permission to your wallet, directly or indirectly.
This Is how a lot of people get drained, one of our frens here got drained of $70,000 after trying to swap a meme coin he could not remember how it got into his wallet.
Stay Safe Out There.