Evidence over alarm
← Back to the incident library
AI-themed lureCASE STUDY / Reported by Huntress

Fake AI help led to infections

Huntress traced two infections to deceptive Custom GPTs—user-made ChatGPT assistants.

Source: Huntress
ACTIVITYLate September 2026; impact still reported October 14
PUBLICLY DISCLOSEDSep 28, 2026
THE AI’S ROLEAI-hosted lure

Observation reports; exact campaign boundaries unknown.

THE 10-SECOND TAKEAWAY

Check the instruction, not just the address.

HOW IT WORKED

Follow the chain.

An explanation, not a technical reproduction.
Search
→
Ad
→
GPT
SIMPLIFIED VIEW · 1 / 3
STEP 01

The advertisement

Search led to an attacker-created GPT.

Huntress
Move through the story at your own pace.
1 / 3
THINK OF IT THIS WAY

Editorial analogy: a convincing notice inside a familiar building can still come from a stranger.

An analogy for the mechanism; not an additional claim about the incident.
KEEP THE EVIDENCE IN VIEW

What we know.
What we don’t.

Reported outcomes

At least 40 related incidents; two confirmed through Custom GPTs. Huntress

An October 14 Huntress update reports continued impact and changing lure sites. Huntress

Important limits

Malware capabilities do not prove data theft.

AI-written malware is not established.

A connection to Island’s earlier campaign is unproven.

WHY IT MATTERS

The lesson beyond
this one case.

Editorial lesson: knowing who owns a website does not tell you who wrote every page or instruction on it.

Where were the people?

Attackers created the lure; users ran commands. Huntress

What happened in response? +

One GPT was removed by September 25; a replacement was found September 27. Huntress

FROM THE INCIDENT TO THE DEFENSE

What could help
an organization?

Editorial connections for organizations protecting their own users and devices; these controls do not guarantee prevention.

Employees

Offer a trusted route

Provide a known link to approved tools and a simple way to question unexpected instructions.

What this does—and does not—establish

Approving a platform does not validate every creator’s content.

Security operations

Connect browsing to device alerts

Investigate suspicious instructions together with browser and endpoint evidence, within authorized monitoring.

What this does—and does not—establish

A visited page is different from executed software. Removing a lure does not clean an infected device.

Editorial connections to relevant controls, not evidence that a particular technology would have prevented this case. Each guide links to the security guidance behind its recommendations.

Explore the full AI security framework
TRACE IT TO THE SOURCE

Read the evidence.

Explore more original accounts in the source report library ↗.

These are source-reported findings. An independent assessment, when available, is labeled explicitly.

01
Attackers Abuse ChatGPT Custom GPTs to Deliver RAT via ClickFixHuntress · Sep 28, 2026 · Incident response investigation

Read this case’s update history →

Reviewed Oct 15, 2026 · Editorial methodology · Structured data