DisclosureLens
GLOBALMalwareManufacturingManufacturingRansomwareSarcomaRansom DemandedActor NamedMedium

Ciclo Cairu

bd_66d2b7f5c05725b5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Oct 9, 2024

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Ciclo Cairu

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Sarcoma on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: ManufacturingDiscovered: 2025-03-22

Source: Ransomware.live

Post text · scraped from the leak site

Ciclo Cairu began its activities in 1985 in the city of Pimenta Bueno, Rondônia, selling bicycle parts, repairs and renovations at retail. A small bicycle workshop like many that can be seen in every city. Almost two years later, taking advantage of the great lack of parts suppliers in the replacement market, its owners decided to enter the wholesale bicycle parts sales business, initially supplying other small traders in the sector in nearby cities, an activity that, conducted with a lot of work, seriousness and respect for customers, was very successful and developed rapidly, reaching the entire state and also other neighboring states. The years passed and the company discovered new horizons, with the growing demand and the lack of suppliers in the domestic market, combined with the opening of the market to imports, in 1990 the company began importing products, which brought a significant reduction in the costs of the goods sold, as the products were brought directly from countries such as China, India and Taiwan, countries that are world leaders in the production of bicycles and parts. In 1992, bicycle production in Brazil was only carried out by two large assemblers that divided the national market between themselves. Seeing the need for other options, Ciclo Cairu decided to enter the bicycle assembly market. The company, which at the time had all the components necessary for assembling bicycles, began to assemble single-speed and geared mountain bikes, always assembled with top-of-the-line components. They were very well received, competing on equal terms with other national and imported brands. In 1997, motivated by the Pirelli tire industry, which until then did not have a motorcycle tire distributor in the North region, the company took on yet another challenge of bringing that brand's tires to motorcycle stores and workshops. Knowing the segment, it realized

Incident timeline — mostly unverified

? — ?

Breach window unknown

Oct 9, 2024

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2024-07-09

sarcoma

According to ransomware.live, Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market companies across manufacturing, retail, healthcare, legal, and business services with roughly 50% of victims in the United States.

141 victims claimed globally141 tracked hereFull profile →