As reported by UM Nowogrodziec:

Residents are receiving text messages from unknown numbers asking them to urgently return money allegedly sent by mistake to their account or phone number. Scammers often refer to a “mistaken BLIK transfer,” explain that they have “reported the matter to the bank,” ask for quick action and create time pressure.

What is the typical pattern?

“I accidentally sent PLN 2,000 to your number. Please return it urgently; the money was meant for someone else.”

Warning! This may be an attempt to defraud you.

How does this scheme work?

Scammers count on emotions and haste. They often:
• send messages in bulk,
• provide plausible-sounding stories,
• ask for a quick transfer to the indicated account,
• try to take advantage of the recipient’s honesty.

If a mistaken transfer really occurred, the bank should handle the matter—not an unknown person via text message.

Where has a similar method been used?

Scams of this type have already been reported repeatedly in Poland:
▪️ “Mistaken BLIK” – a message about an erroneous transfer and a request to return the money.
▪️ “Cousin / friend from a new number” – a request for a BLIK payment or transfer because “the phone broke.”
▪️ Fake parcel surcharges – a text message requesting a small amount and containing a payment link.
▪️ Impersonating a bank – information about an account being blocked or a suspicious transaction.
▪️ Fake messages from OLX/Vinted – a link to collect money or a parcel.
▪️ The “bank employee” scam – persuading victims to make a “security” transfer.

What can you do to avoid being scammed?

• Do not send money back because of a text message.
• Check your transaction history in your bank account.
• Do not click suspicious links.
• Do not provide BLIK codes or login details.
• If in doubt, contact your bank or the police.
• You can report suspicious messages to 8080 (CERT Polska).