Which versions of bigmathutils are malicious?

The following PyPI versions of bigmathutils are flagged malicious: 0.0.1, 0.0.2, 0.0.3. Treat any of these as compromised.

How do I remediate bigmathutils if I installed it?

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

If bigmathutils 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 bigmathutils part of a known attack campaign?

Yes — bigmathutils is associated with the RLMA-2026-00147 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 bigmathutils across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for bigmathutils (3 malicious versions).

Malicious package

bigmathutilsPyPI

Advisory published Mar 18, 2026Updated Mar 19, 2026

bigmathutils is a confirmed malicious PyPI package (MAL-2026-1897) that executes malicious code on install (malicious versions 0.0.1, 0.0.2, 0.0.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in bigmathutils (PyPI)

MAL-2026-1897

Immediate action

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

pip uninstall bigmathutils

Malicious versions

3 flagged

0.0.10.0.20.0.3

Indicators of compromise (SHA-256)

738a7886aa6f877fb6ac742127c7691f04691a3df20288af309bff4ff4bc02a4

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for bigmathutils (3 malicious versions).
If you installed it — respond
Remove bigmathutils 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 bigmathutils 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. bigmathutils on PyPI has been identified as a malicious package (versions 0.0.1, 0.0.2, 0.0.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-00147

Credits

ReversingLabs · finder

Detect & block this

O3 blocks bigmathutils-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

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