Which versions of humunculous59101 are malicious?

The following PyPI versions of humunculous59101 are flagged malicious: 0.3.6. Treat any of these as compromised.

How do I remediate humunculous59101 if I installed it?

Remove humunculous59101 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 activity or persistence.

I already installed humunculous59101 — how do I know if it already compromised me?

If humunculous59101 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Is humunculous59101 part of a known attack campaign?

Yes — humunculous59101 is associated with the RLMA-2025-05604, 2025-10-wangzhou183, RLUA-2026-00410 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find humunculous59101 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for humunculous59101 (version 0.3.6).

Part of a larger attack: 2025-10-wangzhou183 published 19 malicious packages. See the full campaign →

Malicious package

humunculous59101PyPI

Advisory published Oct 19, 2025Updated Mar 19, 2026

humunculous59101 is a confirmed malicious PyPI package (MAL-2025-191635) that executes malicious code on install (malicious version 0.3.6). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in humunculous59101 (PyPI)

MAL-2025-191635

Immediate action

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

pip uninstall humunculous59101

What this malware does

Packages that either reports home installation, simulate malicious activity or imitate Roblox API wrapper.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2025-10-wangzhou183

Reasons (based on the campaign):

The package overrides the install command in setup.py to execute malicious code during installation.

Malicious versions

1 flagged

0.3.6

Indicators of compromise (SHA-256)

2ac3d66b1d490b1ca424232740ed5dcbbc0f7de35b2069500ad2bc96ea36d591

6827a1e29806ff5d9d21b5fe7026b95344d25af553b1ebb3074e0b76697b6c94

8a91be6e2afb95f2eeaf8f48eb0bf62bf737ba21ae56aee91c4c75c27a5ba21b

9f19cadbd6565168c3a786b573dfd7e965a41cf1c6ffd32bc4ce640e36548500

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for humunculous59101 (version 0.3.6).
If you installed it — respond
Remove humunculous59101 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 activity or persistence.
Did it already run?
If humunculous59101 was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. humunculous59101 on PyPI has been identified as a malicious package (version 0.3.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-056042025-10-wangzhou183RLUA-2026-00410

References

bad-packages.kam193.eu

Credits

Kamil Mańkowski (kam193)
ReversingLabs · finder

Detect & block this

O3 blocks humunculous59101-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Malware detection Runtime egress monitoring

Explore

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