Which versions of humunculous5910 are malicious?

The following PyPI versions of humunculous5910 are flagged malicious: 0.2.9, 0.3.1. Treat any of these as compromised.

How do I remediate humunculous5910 if I installed it?

Remove humunculous5910 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 humunculous5910 — how do I know if it already compromised me?

If humunculous5910 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 humunculous5910 part of a known attack campaign?

Yes — humunculous5910 is associated with the RLMA-2025-05603, 2025-10-wangzhou183, RLUA-2026-00409 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 humunculous5910 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for humunculous5910 (2 malicious versions).

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

Malicious package

humunculous5910PyPI

Advisory published Oct 19, 2025Updated Mar 19, 2026

humunculous5910 is a confirmed malicious PyPI package (MAL-2025-191634) that executes malicious code on install (malicious versions 0.2.9, 0.3.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in humunculous5910 (PyPI)

MAL-2025-191634

Immediate action

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

pip uninstall humunculous5910

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

2 flagged

0.2.90.3.1

Indicators of compromise (SHA-256)

ecb71ae798f14821d5a4afac28c10e663a57218bd1f750e40bac7cd62baf4263

bfe0cc461bf49d1689c8b2e2d1580ccb86634ca9607ac9d4fca7e65b0f9b845e

653da18ccefceb9c2bc1dc858e100bcc242e88b449225e1c9337487da1af3826

ea3762b930a6b60cb01af7493844e96b9bc7cfe8874b9da723d90a518a29d48d

58a48b8c5f4c95fd1c67765df9c23b83ed72c5e5f4c99bee315476eea0386674

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for humunculous5910 (2 malicious versions).
If you installed it — respond
Remove humunculous5910 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 humunculous5910 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. humunculous5910 on PyPI has been identified as a malicious package (versions 0.2.9, 0.3.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-056032025-10-wangzhou183RLUA-2026-00409

References

bad-packages.kam193.eu

Credits

Kamil Mańkowski (kam193)
ReversingLabs · finder

Detect & block this

O3 blocks humunculous5910-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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