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Multiple victims of ransomware attacks attributed to Yevgeniy Igorevich Polyanin

The person at the center of this case

Multiple victims of ransomware attacks attributed to Yevgeniy Igorevich Polyanin

Case
#1091
SourceFBI WantedUpdated Mar 15, 2026
United States District Court for the Northern District of Texas; Federal Bureau of Investigation (FBI)
Cold Case · Open
94 days waiting

YEVGENIY IGOREVICH POLYANIN

Justice for Multiple victims of ransomware attacks attributed to Yevgeniy Igorevich Polyanin — the trail went cold in 2026, but the truth hasn't.

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Key leads to think about

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suspect
Lead #1

Why is Polyanin believed to be in Barnaul specifically, and what connections exist between him and other REvil/Sodinokibi affiliates?

🔍
evidence
Lead #2

What specific victims were targeted, and what patterns in ransom demands or cryptocurrency transactions could help locate Polyanin?

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clue
Lead #3

How did Polyanin monetize the exfiltrated data, and which third parties received or purchased stolen information?

Yevgeniy Igorevich Polyanin is wanted by the FBI for orchestrating sophisticated ransomware attacks using Sodinokibi and REvil malware against multiple victims worldwide. The attacks involved encrypting victims' files, demanding ransom payments in virtual currency, and threatening to sell or publish stolen data if payments were not made. Polyanin remains at large and is believed to be in Russia, making his capture and prosecution critical to disrupting organized cybercriminal operations.

Case
#1091
SourceFBI WantedUpdated Mar 15, 2026
United States District Court for the Northern District of Texas; Federal Bureau of Investigation (FBI)

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More leads to consider

Beyond the top three above — each detail below could be the thread that pulls this case open.

📞
contact
Lead #4

What communication channels or infrastructure did Polyanin use to interact with victims, and can these be traced to identify associates?

Have information about any of these leads?

Even the smallest detail could be the key to solving this case.

Official wording

Source Narrative

Conspiracy to Commit Fraud and Related Activity in Connection with Computers; Intentional Damage to a Protected Computer; Conspiracy to Commit Money Laundering Caution: Yevgeniy Igorevich Polyanin is wanted for his alleged involvement in ransomware attacks and money laundering activities. It is alleged that, through the use and deployment of Sodinokibi and REvil ransomware, Polyanin left electronic notes in the form of a text file on victims’ computers.

The notes included web addresses for the victims to visit and have their files decrypted. Upon visiting these web addresses, victims were given the ransom amount demanded and provided a virtual currency address to use to pay the ransom.

If a victim paid the ransom amount, Polyanin provided the decryption key, and the victims then were able to access their files. If a victim did not pay the ransom, Polyanin typically posted the victims’ exfiltrated data or claimed he sold the exfiltrated data to third parties.

Polyanin has been charged in an indictment filed in the United States District Court for the Northern District of Texas, Dallas, Texas, with conspiracy to commit fraud and related activity in connection with computers, substantive counts of intentional damage to protected computers, and conspiracy to commit money laundering. Remarks: Polyanin is believed to be in Russia, possibly in Barnaul, and is one of many Sodinokibi/REvil ransomware affiliates.

Timeline of Events

🕵️
Unknown

FBI Investigation Initiated

Yevgeniy Igorevich Polyanin charged with conspiracy to commit fraud, intentional damage to protected computers, and money laundering in connection with Sodinokibi/REvil ransomware operations

Key Locations
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Case Information

Incident:Invalid Date
Last Updated:June 15, 2026

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Case Information

Incident:Invalid Date
Last Updated:June 15, 2026