# MAL-2026-443: Malicious code in 1q847 (PyPI)


- **Type:** Malicious package
- **Package:** `1q847` (PyPI)
- **Published:** 21 Jan 2026

## What is MAL-2026-443?

MAL-2026-443 is a malicious package in 1q847, published on 21 Jan 2026. 

### Official description

Package contains two DLL libraries, one of them packed. Both are widely recognized as malware. The exact behavior is not known

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

Campaign: 2026-01-old-1q847

Reasons (based on the campaign):

 - malware

 - obfuscation

## What should I do about MAL-2026-443?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

## Fix prompt for AI coding agents

```text
MAL-2026-443 is a malicious package: 1q847 (PyPI). Every version was published to cause harm.

Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.

Reference: https://insights.sbomify.com/MAL-2026-443/ (Markdown: https://insights.sbomify.com/MAL-2026-443/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2026-443

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From sbomify Insights: https://insights.sbomify.com/MAL-2026-443/
Summaries are generated and may contain mistakes; the official description above is the record.