Leak site not responding

Hellcat ransomware group

Hellcat is one of the extortion operations we watch continuously. This page covers what is known about the group and the current state of its leak site, which we last saw change 3mo ago.

Leak site statusOfflinenot answering

Tracked since—no dated record

Last activity3mo ago2 Jun 2026 03:35 UTC

Sectors observed—none stated

Who they are

HellCat is a relatively recent ransomware group first observed in late 2024, known for its data-theft and extortion campaigns targeting high-profile organizations. It operates a double-extortion model, exfiltrating sensitive information and threatening to publish it on its Tor-based leak site if ransom demands are not met. The group has been linked to multiple significant breaches, including incidents involving Schneider Electric and Capgemini, where large volumes of corporate data were allegedly stolen. HellCat’s payloads and leak infrastructure suggest a custom-built platform rather than a widely shared RaaS, and some incidents have involved only data exposure without confirmed encryption events. The group has drawn attention for recruiting or collaborating with high-profile threat actors, including the persona “Grep,” who acts as a public representative in some extortion cases.

Descriptions are compiled from public reporting and vendor research. They describe how a group has historically operated and can lag its current behaviour; the status and timings above are our own.

Current status

Hellcat's leak site is not answering. Sites go dark for infrastructure trouble, a deliberate quiet period, or a takedown, and a good number return weeks later under the same name, so the entry stays on the list either way.

The last change we recorded on it was 3mo ago (2 Jun 2026 03:35 UTC).

Which organisations this group has named, and when, is part of the SINON platform rather than this page. Create an account to search it, or to be told automatically if a name you care about turns up.

Sectors targeted

Industries this group has been observed going after, most common first.

This group does not state an industry on its site, so we have nothing reliable to report. Most crews are opportunistic rather than sector-specific in any case — they hit what they can reach.

Watching for your name

If Hellcat posts your company, a supplier or a subsidiary, you want to hear it from us rather than from a journalist. SINON checks these sites continuously and alerts on the names you give it.

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