How a Cambodia Scam Trapped Korean Investors with Fake Trading App & False Profits

South Korean authorities have dismantled a Cambodia-based investment fraud network accused of defrauding dozens of investors through a sophisticated stock trading scam that generated nearly 10 billion won in illicit proceeds.

The Seoul Metropolitan Police Agency announced that 10 members of the organisation had been arrested on charges including fraud and participation in a criminal enterprise. Nine suspects have been placed in detention as investigations continue.

According to investigators, the group operated a fraudulent investment scheme from a hotel in Sihanoukville, Cambodia, between February 2024 and February 2025. During that period, the network allegedly swindled approximately 9.9 billion won from 59 investors based in South Korea.

Police said the operation targeted individuals seeking stock market advice online. The group reportedly posted links to so-called expert consultation services in the comment sections of YouTube channels run by legitimate stock market analysts. Once potential victims made contact, fraudsters posed as employees or secretaries of recognised securities firms and promoted investment opportunities linked to artificial intelligence-related stocks.

Victims were allegedly assured that selected stocks could deliver returns exceeding 600%, creating the impression of highly profitable and low-risk investment opportunities. After securing initial deposits, the suspects directed investors to install a fake trading application designed to closely resemble the mobile platforms of legitimate brokerage firms.

The fraudulent application displayed fabricated trading records, account balances and profit figures, giving victims the false impression that their investments were generating substantial returns. Police said the manipulated data was used to encourage victims to commit additional funds.

To strengthen the deception, members of the organisation were assigned specialised roles. Some acted as supposed investment advisers, while others served as “shills” who pretended to be successful retail investors. These individuals reportedly joined conversations with victims and claimed to have earned significant profits through the same investment programme, increasing pressure on hesitant investors to deposit more money.

Investigators revealed that the criminal organisation operated under the direction of a foreign ringleader. The network consisted of 12 Korean nationals who were assigned specific responsibilities, including impersonating securities company staff, acting as fake investors and translating criminal scripts that had originally been written in Chinese.

The investigation was carried out in cooperation with Cambodian law enforcement authorities. Police successfully located and arrested six Korean members of the operation in Cambodia before repatriating them to South Korea. Four additional suspects were arrested domestically.

Authorities also disclosed that another member of the group was apprehended in Cambodia on 28 May and is currently awaiting repatriation to South Korea.

As part of the investigation, police secured and preserved approximately 273 million won in criminal proceeds before formal indictments were issued. Efforts to recover additional funds and identify further assets linked to the operation remain ongoing.

Authorities warned investors to exercise caution when encountering investment offers through social media platforms, online communities and messaging groups. They also advised the public to verify the authenticity of investment applications before downloading them and to confirm that any financial service provider is properly licensed and regulated.