killsec

Ransomware
Sourceransomware.live

Vexday analysis

KillSec surgiu como grupo hacktivista alinhado ao movimento Anonymous antes de migrar para operações de ransomware em outubro de 2023, lançando oficialmente uma plataforma de Ransomware como Serviço (RaaS) em junho de 2024 com divisão de receita de 88% para afiliados. O grupo tem como alvos prioritários os setores de saúde, serviços financeiros e governo, acumulando mais de 250 vítimas documentadas até o final de 2025. No Brasil, são registradas 10 vítimas conhecidas atribuídas a essa operação.

Exploited vulnerabilities

No CVEs attributed to this group in public sources (MITRE ATT&CK). Absence of attribution does not mean absence of activity.

Impact and victims

The group killsec has 10 known ransomware victims. See the most affected sectors and countries and recent victims.

10known victims
10in Brazil
6sectors hit
Activity (12 months)
09
12
03
Most attacked sectors
Government & Defense3
Healthcare2
Manufacturing2
Financial Services1
Technology1
Transportation1
Most affected countries
🇧🇷 Brasil10
Recent victims
hospitalvetdiadema24h.com.brHealthcare · BR · 2026-03-17
republica federative do brasilGovernment & Defense · BR · 2025-12-15
MedicSolution+Healthcare · BR · 2025-09-06
Workers Informática LtdaTechnology · BR · 2025-04-01
CamimManufacturing · BR · 2024-11-20
Axpr Valve ScienceManufacturing · BR · 2024-11-13
ConCashFinancial Services · BR · 2024-10-28
Government of BrazilGovernment & Defense · BR · 2024-10-25
nfe.fazenda.gov.brGovernment & Defense · BR · 2024-09-29
terralogs.com.brTransportation · BR · 2024-08-23

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