MAL-2025-4237 Malicious code in rblxfando (PyPI)
Malicious package
Published
MAL-2025-4237 is a malicious package: rblxfando (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-2025-4237/ (Markdown: https://insights.sbomify.com/MAL-2025-4237/index.md)
- Package
- rblxfando
- Registry
- PyPI
What is MAL-2025-4237?
MAL-2025-4237 is a malicious package in rblxfando, published on 3 May 2025.
Official description
Importing the module starts delayed downloading and starting a remote executable identified as BlankGrabber infostealer.
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-05-rblxfando
Reasons (based on the campaign):
infostealer
Downloads and executes a remote executable.
malware
infostealer:blankgrabber
What should I do about MAL-2025-4237?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.