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Listed on a ransomware leak site

CEMAF PARTICIPACOES E ADMINISTRACAO DE BENS LTDA

cnpj.info

CEMAF PARTICIPACOES E ADMINISTRACAO DE BENS LTDA was listed on the ALPHV and 8BASE leak site on May 22, 2023. Brandefense has recorded 2 separate claims against it. Information as of Oct 20, 2026.

Country: BrazilIndustry: Consulting
Updated continuously · figures as of Oct 20, 2026
Claimed by
ALPHV, 8BASE
First listed
May 22, 2023
Claims recorded
2

2 Leak-Site Claims.

ALPHVConfirmed claim
Posted on the leak site
Jun 10, 2023
Collected by Brandefense
Jul 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Cemaf Participacoes e Administração de Bens LTD are contractors engaged in diverse work ranging from trade to geological exploration activities.[removed]
8BASEConfirmed claim
Posted on the leak site
May 22, 2023
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
DC ADVISORY
dcadvisory.com
ALPHVINIndiaFinancial ServicesNot stated
Calvetti Ferguson
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ALPHVUSUnited StatesFinancial Services, ConsultingNot stated
YCUA
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ALPHVUSUnited StatesFinancial ServicesNot stated
GREEN MOUNTAIN ELECTRIC SUPPLY (gmescom)
gmes.com
ALPHVUSUnited StatesManufacturing, ConstructionNot stated
Rankam China Manufacturing
rankam.com
ALPHVUSUnited StatesUnknownNot stated
Bosselman Energy Inc
bosselmanenergy.com
ALPHVUSUnited StatesUnknownNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
Johnson & Pace
johnsonpace.com
QilinUSUnited StatesConsultingNot stated
SQA Services Inc
sqaservices.com
N0nUSUnited StatesConsultingNot stated
Caretaker Landscape and Tree Management
caretakerlandscape.com
PearUSUnited StatesConsulting544 GB
Globeia Inc.
globeia.com
The-seven-deadly-sinsUSUnited StatesConsultingNot stated
fairfeelegalservices.com
fairfeelegalservices.com
INC RansomUSUnited StatesConsultingNot stated
grupoabg.com
grupoabg.com
LockBit 5.0MXMexicoConsultingNot stated

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Figures as of Oct 20, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.