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Malicious package

gptminifastPyPI

Malicious code in gptminifast (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2026-5795
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall gptminifast

What this malware does

During installation, the code attempts to download and start a malicious executable.

Likely related to 2025-08-raknet-testing-package.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-06-easyaillm

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • obfuscation

  • malware

  • tool:mshta

Malicious versions

1 flagged
2.21

Indicators of compromise (SHA-256)

357aff83086340ea5d3c504105e1cc7cec31fbea24e321ba5e87c2eb02c8389c
5e1e2f518c3c7dcb697718ac23d4cd44eae1dd42abd89d83a091bfcdc1dc8fdc
7bb1f6b19a1cc48953de1e042d29a22b92d19dce20c68c5c0d310d77e08b7842
367066b272bcc8da7b253c53e1771b5aad257edef1e77ee29fc9a8c9ba73bf63

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for gptminifast (version 2.21). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging gptminifast across your stack and pipelines.

  2. If you installed it — respond

    gptminifast is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If gptminifast was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks gptminifast before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. gptminifast on PyPI has been identified as a malicious package (version 2.21 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-06-easyaillm

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

O3 blocks gptminifast-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.