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Maksim Silnikau, also known as Maksym Silnikov, was extradited from Poland to the United States in 2024 to face charges tied to two different alleged cybercrime operations: malvertising and malware distribution in New Jersey, and the Ransom Cartel ransomware operation in Virginia. On August 5, 2026, the U.S. Department of Justice reported that he had been sentenced to 16 years in prison in the Virginia case. That update does not establish the outcomes of the separate New Jersey cases against co-defendants Volodymyr Kadariya and Andrei Tarasov.
What happened in the case
The case spans two federal matters with different allegations. The New Jersey matter concerned an alleged online-advertising and malware scheme involving Silnikau, Kadariya, Tarasov, and others. The Virginia matter accused Silnikau of creating and administering Ransom Cartel. DOJ announced Silnikau’s extradition and the charges on August 12, 2024, then reported his 16-year sentence in the Virginia case on August 5, 2026.
The 2024 announcement said Silnikau had been extradited from Poland and appeared in Newark. DOJ described charges filed in both the District of New Jersey and the Eastern District of Virginia. Read DOJ’s 2024 announcement.
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What the New Jersey malvertising allegations describe
According to DOJ’s account of the indictment, from October 2013 through March 2022, Silnikau, Kadariya, Tarasov, and others allegedly used online advertising and other methods to deliver the Angler Exploit Kit, other malware, scareware, and online scams to millions of internet users. “Millions” is DOJ’s qualitative description of scale, not a precise count of affected people.
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The ads allegedly looked legitimate but could redirect users to malicious websites or deliver malware. DOJ also alleged that the group defrauded or tried to defraud U.S. companies in the legitimate online-advertising industry. It said participants used false advertising-company identities and cybercrime-forum accounts to sell access to compromised devices and stolen information.
Principal Deputy Assistant Attorney General Nicole M. Argentieri characterized the ads this way: “These ads appeared legitimate but were actually designed to deliver malware that would compromise users’ devices or to deliver ‘scareware’ designed to trick users into providing their sensitive personal information.” This is the official’s description of the allegations, not a separate court finding.
What Ransom Cartel allegedly did
In the Virginia case, DOJ said Silnikau was charged with allegedly creating and administering Ransom Cartel, an operation that began in May 2021. The indictment account described a hidden site used to monitor and control attacks, communicate with victims, negotiate demands, and distribute funds.
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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteDOJ’s 2024 announcement described attacks on companies in New York and California in 2021 and 2022. In its 2026 sentencing account, DOJ said Ransom Cartel participants attacked at least 18 companies worldwide between 2021 and 2023, stole data, and demanded payment either for a decryption key or for a promise not to publish the stolen data. The figure of at least 18 is DOJ’s count for this case; it is not a measure of ransomware activity generally. Read DOJ’s 2026 sentencing announcement.
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What charges were announced in 2024
DOJ said Silnikau, Kadariya, and Tarasov faced New Jersey charges of conspiracy to commit wire fraud, conspiracy to commit computer fraud, and substantive wire-fraud counts. Separately, the Virginia charges against Silnikau included conspiracy to commit computer fraud and abuse, conspiracy to commit wire fraud, conspiracy to commit access-device fraud, wire-fraud counts, and aggravated-identity-theft counts.
These were allegations at the time of charging. DOJ emphasized: “An indictment is merely an accusation. The defendant is presumed innocent until proven guilty.” The later sentence described below concerns Silnikau’s Virginia case; it does not establish a disposition for every charge originally announced or for the co-defendants.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What the 2026 sentence means—and does not mean
On August 5, 2026, DOJ reported that Silnikau was sentenced to 16 years in prison for conspiracy to commit offenses against the United States, conspiracy to commit wire fraud, and aggravated identity theft. The sentencing update concerns the Virginia case and the offenses listed in that announcement.
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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteDOJ’s 2026 release does not establish later outcomes for Kadariya or Tarasov in the New Jersey matter. It also does not turn the allegations described in the 2024 charging announcement into findings about those co-defendants. Deputy Attorney General Lisa Monaco had characterized the 2024 action as a step toward disrupting ransomware actors and malicious cybercriminals; that statement was an official’s assessment, not a court finding.
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