Ransomware group profile · #214 by claimed victims
Cryptbb ransomware
CryptBB is a ransomware group with likely Russian origins active around 2023, whose payload appends random extensions to encrypted files and whose data leak site copied 8Base's source code, listing approximately 8 victims as of September 2023.
Victimology
Who Cryptbb claims to have breached, from 8 leak-site posts recorded by VULONE.
Claims per month last 12 months
Top sectors
Top countries
Latest claimed victims 8 most recent
| Victim | Sector | Country | Claimed |
|---|---|---|---|
| P1 Technical Services | Professional Services | — | 15 Sep 2023 |
| CON-STRUCT constructiowa.com | Manufacturing | US | 15 Sep 2023 |
| Polanglo polanglo.pl | Professional Services | PL | 15 Sep 2023 |
| Jeff Wyler Automotive Family, Inc. wyler.com | Retail & E-Commerce | IN | 15 Sep 2023 |
| KIRWIN FRYDAY MEDCALF Lawyers LLP | Professional Services | — | 15 Sep 2023 |
| Danbury Public Schools danbury.k12.ct.us | Education | US | 15 Sep 2023 |
| Aspect Structural Engineers aspectengineers.com | Professional Services | — | 15 Sep 2023 |
| ToyotaLift Northeast toyotaliftne.com | Professional Services | — | 15 Sep 2023 |
All 8 Cryptbb victims, searchable
Full victim list with claim posts, domains, timing and exports, plus the negotiation chats and leak-site screenshots VULONE archives for this crew.
Tactics, techniques and procedures
ATT&CK technique mapping for Cryptbb is in progress. Victimology, infrastructure status and leak-site tracking are live above.
Indicators, detections and the full playbook
Hashes, C2 addresses, onion services, Sigma and YARA detections per technique, and the negotiation transcripts are available to signed-in analysts.
Frequently asked
Is Cryptbb ransomware still active?
How many victims has Cryptbb claimed?
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Where does VULONE get Cryptbb victim data?
Other ransomware groups
Victim claims are collected from leak sites and enrichment partners (ransomware.live, RansomLook) and represent the group's own assertions, not confirmed breaches. Profile last updated 16 September 2026. Questions or corrections: [email protected].