MAL-2025-191649 Malicious code in md5-en (PyPI)
Malicious package
Published
MAL-2025-191649 is a malicious package: md5-en (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-2025-191649/ (Markdown: https://insights.sbomify.com/MAL-2025-191649/index.md)
- Package
- md5-en
- Registry
- PyPI
What is MAL-2025-191649?
MAL-2025-191649 is a malicious package in md5-en, published on 15 Oct 2025.
Official description
Code downloads and starts an executable widely recognized as malware, then sends some results to a Telegram webhook.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-10-md5-en
Reasons (based on the campaign):
malware
Downloads and executes a remote executable.
obfuscation
What should I do about MAL-2025-191649?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.