MAL-2025-191821 Malicious code in prof-qux (PyPI)
Malicious package
Published
MAL-2025-191821 is a malicious package: prof-qux (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-2025-191821/ (Markdown: https://insights.sbomify.com/MAL-2025-191821/index.md)
- Package
- prof-qux
- Registry
- PyPI
What is MAL-2025-191821?
MAL-2025-191821 is a malicious package in prof-qux, published on 26 Jul 2025.
Official description
Package silently exfiltrates user's credentials ahead of starting the promised functionality. First batch used simple code, the newer attempt to hide functionality by using compiled modules
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-07-prof-quotex
Reasons (based on the campaign):
action-hidden-in-lib-usage
A Telegram webhook is used to send collected data.
exfiltration-credentials
What should I do about MAL-2025-191821?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.