Scam Waves, Deepfake Fraud and Refund Rules — 2026-09-28
This week: US prosecutors charged a Vietnamese national in a $53 million crypto "pig butchering" scheme, the FTC moved to update its impersonation rule after nearly $3.5 billion in losses, and Korea's regulators warned of voice phishing surges around the Chuseok holiday as NACF losses hit 322 billion won with refund rates in the 10% range. Deepfake attacks are shifting from emails to video calls, with 41% of corporate security chiefs reporting phone-based deepfake attacks.
Scam Waves, Deepfake Fraud and Refund Rules — 2026-09-28
Top developments
DOJ charges Vietnamese national in $53M crypto "pig butchering" scheme
On September 25, US federal prosecutors charged Trung Nguyen Van, 37, a Vietnamese national, for his role in a wire fraud "pig butchering" cryptocurrency scam; prosecutors said other US victims reported millions in losses tied to wallets that sent funds to his crypto wallet. Press reports put the overall scheme at $53 million. The case underscores how romance-and-investment grooming scams continue to empty US accounts via crypto rails.

Deepfake phishing moves from the inbox to the video call
Within the past week, security press reported that deepfake attacks are increasingly arriving via phone and video calls rather than email, with attackers impersonating familiar voices to request transfers or account changes. A survey reported in Korean media found 41% of corporate security officers experienced deepfake voice-based social engineering attacks in the past year. Voice familiarity alone is no longer a safe verification signal.
FTC seeks comment on tightening impersonation rule
On September 24, the FTC opened public comment on updating its rule on impersonation of government and businesses to address platforms' role in promoting impersonation scams. Consumers reported nearly $3.5 billion in losses to impersonation fraud last year, with the true cost likely far higher.

Korea: Chuseok voice phishing wave and a rare recovery win
Korean financial authorities on September 20 warned of voice phishing surges around the Chuseok holiday exploiting gift deliveries and currency exchange, including risks of unknowingly laundering crime proceeds via In-Person Foreign Exchange (직거래 환전). Yonhap reported fraud losses in last year's Chuseok month exceeded 100 billion won. In a positive note, Busan prosecutors recovered about 200 million won for a woman who lost her entire fortune, including her husband's death insurance payouts, to voice phishing.
UK: £250,000 deepfake celebrity investment loss
PSNI reported that a victim in Northern Ireland lost £250,000 to a deepfake celebrity investment ad, fitting a growing UK pattern of AI-generated celebrity videos luring people into fake trading platforms.
Local view
Korea: The Financial Supervisory Service issued a consumer alert on "Ponzi-type" (폰지 사기) schemes promising principal guarantees and high returns, noting a rise in multi-level marketing and cooperative-style investment solicitations. Gwangju Daily reported NACF (농협) account voice phishing and investment fraud losses reached 322 billion won, with post-hoc refund rates only in the 10% range — a stark illustration of how little victims recover after money leaves their accounts.
Japan: A man in his 40s in Chino, Nagano Prefecture lost over 24.7 million yen (~$165,000) after acting on an SNS investment ad, prompting police warnings not to trust SNS investment offers. New scams are impersonating former employees of famous companies like Murata Manufacturing with fake retirement certificates and employee IDs leading victims from fake profiles to LINE groups. Local police chiefs are promoting the National Police Agency-recommended anti-fraud app. Separately, Japan's FSA warned that August 2026 saw 25 unauthorized trading incidents across 4 online securities firms.
Singapore: An island-wide crackdown rounded up 259 suspected scammers — including a 16-year-old and an 82-year-old — covering 648 cases with S$5.2 million lost.
Pakistan: Lahore's NCCIA raided an alleged illegal scam centre in DHA Phase 6, arresting 21 people and recovering 29 mobile phones and 10 PCs.

Context & numbers
- Impersonation scams: nearly $3.5 billion reported lost by US consumers last year, per the FTC
- Fake Google and Bing bank ads contributed to roughly $14.6 million in identified US losses in a DOJ-reported phishing/account takeover scheme
- UK: fraud losses of almost £1.3 billion in the latest UK Finance reporting year; unauthorised fraud fell 5% to £703.4 million; the PSR reported 89% of in-scope APP fraud was reimbursed in the first 15 months of its reimbursement rules. The PSR scheme drove a £73m fall in payment fraud
- Japan: first-half 2026 special fraud losses hit a record 181.6 billion yen, 1.5x the prior year, with SNS-type investment scams accounting for over 40% (NPA, July 30)
- Korea: NACF voice phishing/investment fraud losses of 322 billion won with ~10% refund rates

On the radar
- FTC public comment period on the impersonation rule is open — outcomes could impose platform-liability for impersonation scams
- Post-Chuseok fraud: Korean authorities expect further delivery/exchange-motivated voice phishing through early October
- DOJ/Missouri pig butchering case against Trung Nguyen Van is ongoing; more victim wallet tracing may surface
- US election-cycle impersonation scams, including fake farm-equipment business sales flagged by the FTC, remain worth watching
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