| 28 June 2019 |
CISA |
AlertPointed to a UK NCSC advisory on Ryuk ransomware and its links to Emotet and TrickBot.[18] |
| 28 October 2020 |
CISA, FBI and HHS |
Joint advisory AA20-302ADescribed ransomware, notably Ryuk and Conti, aimed at the healthcare sector, and TrickBot and BazarLoader as the loaders. Updated 29 October and 2 November 2020.[2] |
| 29 October 2020 |
UK NCSC |
StatementPointed to the US advisory and to its own earlier Ryuk advisory on links to Emotet and Trickbot infections.[16] |
| 20 May 2021 |
FBI |
FLASH alertReported at least 16 Conti attacks on US healthcare and first responder networks.[4] |
| 20 May 2021 |
CISA and FBI |
Joint advisory AA21-076ADescribed TrickBot phishing in North America and said TrickBot can drop Ryuk and Conti ransomware. Last revised on this date.[5] |
| 22 September 2021 |
CISA, FBI and NSA |
Joint advisory AA21-265ADescribed Conti ransomware, its entry methods and mitigations.[3] |
| 2021 |
US Department of Justice |
ExtraditionTrickbot developer Vladimir Dunaev was extradited from the Republic of Korea to the Northern District of Ohio.[12] |
| 9 March 2022 |
CISA, FBI, NSA and US Secret Service |
Advisory re-releaseRe-released AA21-265A with new indicators of compromise.[3, 15] |
| 9 February 2023 |
US Treasury (OFAC) |
SanctionsDesignated seven people said to be part of the Trickbot gang.[6] |
| 9 February 2023 |
US Department of Justice |
Indictment unsealedAn indictment in New Jersey charged Vitaly Kovalev with conspiracy to commit bank fraud and eight counts of bank fraud over 2009 and 2010 intrusions.[6] |
| 9 February 2023 |
UK FCDO, NCA and HM Treasury |
SanctionsSanctioned the same seven people, the first sanctions of their kind for the UK.[7] |
| June 2023 |
US Department of Justice |
SentenceAlla Witte, a Trickbot developer and Latvian national, was sentenced to 32 months after pleading guilty.[10] |
| 7 September 2023 |
US Treasury (OFAC) |
SanctionsDesignated eleven more people said to be part of the Trickbot group.[8] |
| 7 September 2023 |
UK FCDO, NCA and HM Treasury |
SanctionsSanctioned eleven people with asset freezes and travel bans. The total sanctioned by the UK was then 18.[9] |
| 7 September 2023 |
US Department of Justice |
Indictments unsealedThree indictments: nine defendants over Trickbot in Ohio, four over Conti in Tennessee, one over a Conti attack on a US health system in California.[10] |
| 30 November 2023 |
US Department of Justice |
Guilty pleaDunaev pleaded guilty to conspiracy to commit computer fraud and identity theft and conspiracy to commit wire fraud and bank fraud.[11] |
| 24 January 2024 |
US Department of Justice |
SentenceDunaev was sentenced to five years and four months in prison.[12] |
| 23 May 2025 |
German BKA |
Wanted noticeNotice for Vitalii Nikolaevich Kovalev, suspected of founding the group, last updated on this date.[14] |
| Page undated |
US State Department (Rewards for Justice) |
Reward offerOffers up to 10 million dollars for information on a person acting for a foreign government who attacks US critical infrastructure, and names five online aliases ("Target", "Reshaev", "Professor", "Tramp", "Dandis") believed to be linked to Conti.[13] |