# MAL-2025-6521: Malicious code in hellotesthim (PyPI)


- **Type:** Malicious package
- **Package:** `hellotesthim` (PyPI)
- **Published:** 4 Jul 2025

## What is MAL-2025-6521?

MAL-2025-6521 is a malicious package in hellotesthim, published on 4 Jul 2025. 

### Official description

Series of packages mostly with an obfuscated infostealer attempting to collect Chrome data. While discord webhook is usually set to an example, there are other, correct uploading URLs 

Some of related packages only test partial malicious code, like webhooks from overwritten setup.py

---

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

Campaign: 2025-07-0x9xnx

Reasons (based on the campaign):

 - infostealer

 - obfuscation

 - exfiltration-browser-data

 - exfiltration-crypto

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

## What should I do about MAL-2025-6521?

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-2025-6521 is a malicious package: hellotesthim (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-2025-6521/ (Markdown: https://insights.sbomify.com/MAL-2025-6521/index.md)
```

## Sources

- OSV: https://osv.dev/vulnerability/MAL-2025-6521

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From sbomify Insights: https://insights.sbomify.com/MAL-2025-6521/
Summaries are generated and may contain mistakes; the official description above is the record.