Rotamac Listed by The Gentlemen Ransomware Group: Ransomware Claim — What’s Alleged & What To Do

On October 2, 2026, the ransomware group known as The Gentlemen listed Rotamac, a small industrial equipment distributor based in Quebec, on its leak site. The listing names the company and its Canadian web presence but does not, on the public record provided, state that any systems were compromised, that files left the organisation, or that customer or employee information is circulating. Rotamac has not publicly confirmed the claim as of writing. For a micro business that sells compressor parts and related equipment across Canada, an unverified extortion claim still matters because suppliers, buyers, and partners may wonder whether commercial or contact data could be at risk if the claim were ever substantiated.

Public detail remains limited. No independent regulator filing, company statement, or breach index confirmation is included in the available record. What follows treats the leak-site entry as an allegation by the named group, not as established fact.

What the listing says

The Gentlemen has listed Rotamac on its leak site under a headline that identifies the firm and associates it with the group’s extortion activity. The reported date for the listing is October 2, 2026. The public facts do not state how many people might be affected, which systems if any were involved, whether ransomware was deployed, or what volume of data—if any—the group claims to hold. Data types are not disclosed in the listing summary provided. Method of access, timing of any alleged intrusion, ransom demand, and proof files are likewise undisclosed in the material at hand.

In short, the listing is a public claim by the group that Rotamac appears on its site. It does not by itself establish that a breach occurred, that data was copied, or that anything has been released beyond the group’s own marketing of the name. Readers should treat scale, contents, and impact as unconfirmed until the company or a competent authority says otherwise.

Who is The Gentlemen?

The Gentlemen is a ransomware and extortion crew that has operated in the public eye by maintaining a leak site and naming organisations it says it has attacked. Like other groups in this category, it is generally associated with double-extortion style pressure: encrypting systems where it can and threatening to publish material it claims to have taken if payment is not made. Public reporting on the group has described typical ransomware affiliate patterns—initial access through common enterprise weaknesses, movement inside networks, and use of a dedicated site to shame or coerce victims—though tactics can vary by incident and are not fixed in stone for every name that appears on a list.

Notable prior activity attributed to The Gentlemen in open sources involves listings of companies across multiple sectors, often with countdown-style pressure and selective file samples when the group chooses to post them. None of that general pattern proves what happened in any single case. For Rotamac specifically, the only claim reflected here is that the group has placed the company on its leak site. No further statements by The Gentlemen about this victim—file counts, screenshots, or technical narratives—are included in the facts supplied, so none are asserted.

About Rotamac

Rotamac Inc. is described in the available summary as a privately held industrial equipment distributor founded in November 2019 and based in Rosemère, in the Montreal area of Quebec, Canada, at 283 rue de Normandie, Rosemère, QC J7A 1T4. It is characterised as a micro company of roughly one to ten employees, built around owner-founder Joey Desrosiers, who has a background connected to HEC Montréal and more than two decades in compressed air and rotating equipment. Revenue is not publicly disclosed, as is common for small private firms.

Its e-commerce arm, canadacompressorparts.com, is reported to carry on the order of 43,675 SKUs of non-OEM compressor parts compatible with major brands and to ship across Canada. The core business is industrial distribution and parts supply rather than consumer mass-market retail. Organisations of this type typically sit in supply chains for manufacturing, maintenance, and facilities operations. A leak-site listing against such a firm is consequential not because wrongdoing is proven, but because even small distributors hold commercial relationships, shipping and billing contacts, and operational records that partners rely on. Uncertainty alone can prompt customers and vendors to ask questions.

The information in question

The facts state that data types named as exposed are not disclosed. There is therefore no verified inventory of what, if anything, left Rotamac’s environment. It would be improper to treat the group’s listing text as a reliable catalogue.

If files were taken from a business in this sector, firms of this kind typically hold some mix of customer and supplier contact details, order and shipping records, invoices, warranty or returns correspondence, internal email, and credentials or configuration data used to run e-commerce and warehouse processes. Employee records, if any, might include names, work contact information, and basic HR files. Payment card data is not automatically implied; many small distributors rely on third-party payment processors. Exact contents in this case remain unconfirmed. Any discussion of risk below is conditional on data actually having been copied and later misused—conditions the public record here does not establish.

The real-world impact

For individuals who have bought parts, requested quotes, or worked with Rotamac, the practical concern if commercial contact or order data were ever exposed would include targeted phishing, fraudulent invoices that mimic a real supplier, and social-engineering attempts that reference genuine order numbers or equipment types. Industrial buyers sometimes reuse the same email addresses for multiple vendors; a convincing fake message about a compressor shipment or account update can be harder to spot when it contains accurate fragments of past business.

For the organisation, an unverified listing can still mean reputational strain, time spent on customer reassurance, and possible disruption if systems were encrypted—an outcome that is not confirmed here. Partners may temporarily tighten credit or access controls out of caution. None of that proves negligence or confirms loss; it describes how supply-chain businesses often react when a familiar name appears on an extortion site. People affected, if any, are unknown in the provided facts, so broad claims that “customers’ data is out” are not supported.

What to do now

If you have done business with Rotamac or used related storefronts, treat the situation as a prompt for ordinary hygiene rather than proof that your information is circulating. Watch for unexpected emails or calls that urge urgent payment, password changes, or wire transfers tied to compressor parts or open invoices; verify through a known phone number or portal, not through links in the message. Prefer unique passwords on supplier accounts and enable multi-factor authentication where it is offered. Review bank and card statements for unfamiliar charges if you paid the firm directly.

Rotamac has not publicly stated the incident as of writing, and the listing remains an unverified claim by The Gentlemen. If the company later publishes guidance, follow that primary source. As a general step, readers can run a free exposure scan of their email address to check whether that address has already appeared in other known breach datasets—useful context even when a specific incident stays unconfirmed.

AICompiled with AI assistance from public sources and published under our editorial standards.