Hi @fuukra,
I'm very sorry to hear about the unauthorized access. Bank accounts that have been used in a recent transaction cannot be removed. A transaction that has already been made would not be able to be halted by removing the bank, in any case.
I'm sorry for the inconvenience you've experienced. I hope that you have followed the steps that @kernowlass suggested to report the activity to PayPal so it can be investigated and rectified.
Olivia
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