The person at the center of this case
Multiple international cybercrime victims; data theft victims worldwide
Justice for Multiple international cybercrime victims; data theft victims worldwide — the trail went cold in 2026, but the truth hasn't.
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What is Zhou Shuai's current location and identity, given he was last known to reside in Shanghai?
What specific vulnerabilities and malware deployment methods (such as PlugX) were used to compromise victim networks?
Who are the identified customers and co-conspirators that received stolen data, particularly those with PRC government connections?
Zhou Shuai is wanted by the FBI for his alleged involvement in a sophisticated international cybercrime conspiracy spanning 2018-2020, where he and co-conspirators compromised networks, stole data from victims worldwide, and sold stolen information to customers including PRC government agencies. The investigation revealed that Zhou Shuai brokered stolen data through i-Soon, a company whose primary clients were the Chinese Ministry of State Security and Ministry of Public Safety. Despite an indictment in the District of Columbia, Zhou Shuai's current whereabouts remain unknown, and locating him is critical to disrupting ongoing cyber threats and holding perpetrators accountable.
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Beyond the top three above — each detail below could be the thread that pulls this case open.
What role did i-Soon play as a data broker, and can its operations be traced to identify additional suspects or stolen data repositories?
Can the exact dates and methods of data exfiltration to servers under Zhou Shuai's control be documented to strengthen prosecution?
Even the smallest detail could be the key to solving this case.
Official wording
Conspiracy to Cause Damage To, and Obtain Information By Unauthorized Access To, Protected Computers, to Commit Wire Fraud, and to Commit Aggravated Identity Theft; Wire Fraud; Obtaining Information by Unauthorized Access to Protected Computers; Intentionally Causing Damage to Protected Computers; Aggravated Identity Theft; Money Laundering Caution: Zhou Shuai and Yin Kecheng are wanted for their alleged involvement in compromising and stealing data belonging to scores of victims around the world. The men, and their co-conspirators, allegedly exploited vulnerabilities in victim networks, conducted reconnaissance once inside those networks, and installed malware, such as PlugX malware, that provided persistent access.
The men then allegedly identified and stole data from the compromised networks by exfiltrating it to servers under their control. They also allegedly brokered stolen data for sale and provided it to various customers, only some of whom had connections to the PRC government and military.
Zhou Shuai allegedly sold data stolen by Yin Kecheng through i-Soon, a company whose primary customers included the PRC Ministry of State Security (MSS) and the Ministry of Public Safety (MPS). In 2023, a Grand Jury in the District of Columbia returned an indictment against Zhou Shuai on multiple charges related to criminal activity occurring between 2018 and 2020.
Remarks: Zhou Shuai was last known to reside in Shanghai, China.
Zhou Shuai and co-conspirators begin exploiting network vulnerabilities and conducting reconnaissance
Alleged criminal activity concludes; period covers 2018-2020 conspiracy
Grand Jury in the District of Columbia returns indictment against Zhou Shuai on multiple charges including wire fraud, unauthorized computer access, and money laundering
For information leading to the resolution of this case
For information leading to the resolution of this case