Which versions of fastgptmini are malicious?

The following PyPI versions of fastgptmini are flagged malicious: 2.21, 2.22, 2.23, 2.24, 2.25, 2.26. Treat any of these as compromised.

How do I remediate fastgptmini if I installed it?

Remove fastgptmini from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound network activity or persistence. Use O3 Security's dependency scanner to confirm the package and its artifacts are fully purged across your stack.

Is fastgptmini part of a known attack campaign?

Yes — fastgptmini is associated with the 2026-06-fastgptmini campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

Can O3 Security detect fastgptmini in my codebase?

Yes. O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, blocking fastgptmini and packages like it before any post-install script runs.

Malicious package

fastgptminiPyPI

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

MAL-2026-5776

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

pip uninstall fastgptmini

What this malware does

During installation, the code downloads an obfuscated script, which attempts to tamper with Defender exclusions paths and then downloads a malicious executable

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

Campaign: 2026-06-fastgptmini

Reasons (based on the campaign):

Downloads and executes a remote executable.
malware
The package overrides the install command in setup.py to execute malicious code during installation.
obfuscation

Malicious versions

6 flagged

2.212.222.232.242.252.26

Indicators of compromise (SHA-256)

3cca907106c3dceb5276e9bdbf8799367b44df9e12fe12098dd3ed215bb4f3b0

Frequently asked questions

No. fastgptmini on PyPI has been identified as a malicious package (versions 2.21, 2.22, 2.23, 2.24, 2.25, 2.26 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-06-fastgptmini

References

Credits

Kamil Mańkowski (kam193) · reporter

Scan your dependencies

O3 Security blocks malicious packages like this at install time and in CI.

Supply-chain protection