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Hanoi Police have issued a warning about a new and increasingly sophisticated online scam scheme operating primarily through Zalo and Facebook. Authorities said that on June 18, 2026, they verified a transfer of 350 million VND into the account of a man born in 1981.
On June 15, 2026, the Investigation Police Department issued an emergency custody order for Do Minh Tuan (born 1989, residing in Hung Yen) to investigate the offense of fraud.
In addition to the case involving Tuan, other reports published the same day referenced scam-related activity tied to misleading promotions, including a note that a Claude Max 200 USD service quota had been exhausted.
According to Hanoi Police, the suspect created social media accounts under names including “Tong Kho Vat Tu” on Facebook and “Cung Cap Vat Tu Gia Goc” on Zalo. Instead of advertising fake goods, he infiltrates construction-materials groups to identify potential buyers.
Once a target is found, he contacts them and presents himself as a supplier offering goods at “cost price.” Police said the scheme is designed to appear credible because the suspect does not own any goods himself. He instead places orders directly with real warehouses and distributors, then uses authentic information from those suppliers to provide details to buyers.
One typical case involved Ms. T.T.H., who posted on June 10 seeking to buy ultra-lightweight concrete floors. Tuan immediately contacted her, provided quotes, and described a professional workflow.
To reduce suspicion, he provided the exact warehouse address and instructed her to hire a vehicle to pick up the materials. He also sent real photos showing workers loading materials onto a truck. Believing the transaction was legitimate, the victim transferred 17.65 million VND.
After the money was received, the suspect stopped responding. When the victim contacted the warehouse, she learned that no payment had been received and the warehouse refused to dispatch the goods.
Hanoi Police urged residents to exercise special caution when transacting online via social networks. Authorities advised that consumers should not transfer funds into personal accounts before verifying the seller’s identity and the supplier’s credibility.
For high-value transactions, police recommended establishing a clear contract and requesting full invoices and valid documents before payment. If there are unusual signs or a person suspects fraud, police said to collect chat history and transaction records and report to the nearest police station to support timely handling and prosecution under the law.
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