# MAL-2026-36: Malicious code in aiohtto (PyPI)


- **Type:** Malicious package
- **Package:** `aiohtto` (PyPI)
- **Published:** 4 Jan 2026

## What is MAL-2026-36?

MAL-2026-36 is a malicious package in aiohtto, published on 4 Jan 2026. 

### Official description

Obfuscated code downloads an encrypted binary blob, which is malware finally starting cryptomining. After starting the malware, the Python package uninstall itself and installs the legitimate package, covering tracks of the infection.

---

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

Campaign: 2026-01-aiihttp

Reasons (based on the campaign):

 - typosquatting

 - Downloads and executes a remote executable.

 - malware

 - cryptominer

 - obfuscation

 - covering-tracks

## What should I do about MAL-2026-36?

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-2026-36 is a malicious package: aiohtto (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-2026-36/ (Markdown: https://insights.sbomify.com/MAL-2026-36/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2026-36

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From sbomify Insights: https://insights.sbomify.com/MAL-2026-36/
Summaries are generated and may contain mistakes; the official description above is the record.