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RansomHouse Ransomware Upgrades to Multi-Layered Encryption

ID: e325352b-6e09-57e3-a987-232429095ca2

STIX ID: report--e325352b-6e09-57e3-a987-232429095ca2

Feed Name: ThreatCluster

Threat Score
52/100

Date Published: 2025-12-22

Date Updated: 2026-03-31

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RansomHouse, a ransomware-as-a-service operation, has transitioned from single-phase encryption to a multi-layered dual-key architecture, increasing the complexity of its extortion tactics and strengthening attackers' leverage during negotiations; the upgrade was reported by Palo Alto Networks with sources including CSO Online and BleepingComputer.

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