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Helldown is a recently emerged ransomware group that first appeared in August 2024, operating with apparent financial motivations and demonstrating a preference for targeting critical infrastructure and business sectors. The group's origin and potential affiliations remain unclear due to limited public reporting from established threat intelligence sources, though their targeting patterns suggest a sophisticated understanding of high-value victims across Western nations, particularly the United States, Germany, Italy, Poland, and the United Kingdom. Based on available data, Helldown has compromised at least 37 known victims since their emergence, with their attacks primarily focused on business services, manufacturing, energy, and healthcare sectors, indicating a strategy of targeting organizations likely to pay substantial ransoms due to operational criticality. The group's specific attack methodologies, initial access vectors, and technical capabilities have not been extensively documented by major cybersecurity firms or government agencies, limiting detailed analysis of their operational procedures. As of current reporting, Helldown appears to remain active, representing a relatively new but concerning addition to the ransomware threat landscape, though the limited timeframe since their emergence and lack of comprehensive public analysis by established threat intelligence organizations suggests their full operational scope and impact are still being assessed by the cybersecurity community. The group has been linked to 37 public disclosures across our corpus. First observed on a leak site on August 13, 2024; most recent post November 21, 2024. The operation is currently inactive.
Helldown has been linked to 37 public victims on Darkfield. A sample of the most recent:
This disclosure adds to ransomware activity in the Not Found sector, which has 4,859 disclosures indexed across all operators we track. Geographically, TIVOLI-33 is reported in France, a country with 472 ransomware disclosures in our corpus.
How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.
Ransomware victim disclosure
← All victimsClaimed by Helldown · listed 2 years ago
Nov 6, 2024
tivoli-33.org
This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.
