LockBit September 2025 multi-region ransomware campaign
Campaign
Summary
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LockBit returned in a renewed ransomware campaign that hit at least a dozen organizations in September 2025. The activity spanned Western Europe, the Americas and Asia, and used both LockBit 5.0 and LockBit 3.0 / LockBit Black, indicating the operation’s infrastructure and affiliate network were active again. The campaign affected Windows and Linux systems and extended the threat with ESXi support in the newer build. Updated ransom notes added personalized negotiation links and a 30-day deadline before stolen data would be published.
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Timeline
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24.10.2025 18:15 3 articles · 8mo ago
LockBit September 2025 multi-region ransomware campaign
Initial Disclosure**Early September 2025** marked LockBit’s public comeback when the group unveiled **LockBit 5.0** on underground forums and called for new affiliates. The first wave of follow-on activity showed the ransomware network was active again after earlier disruption.
Show sources
- New LockBit Ransomware Victims Identified by Security Researchers — www.infosecurity-magazine.com — 24.10.2025 18:15
- Ransomware's Fragmentation Reaches a Breaking Point While LockBit Returns — thehackernews.com — 14.11.2025 12:37
- New LockBit Ransomware Victims Identified by Security Researchers — www.infosecurity-magazine.com — 24.10.2025 18:15