MAL-2025-6487 Malicious code in crto0 (PyPI)
Malicious package
Published
MAL-2025-6487 is a malicious package: crto0 (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-2025-6487/ (Markdown: https://insights.sbomify.com/MAL-2025-6487/index.md)
- Package
- crto0
- Registry
- PyPI
What is MAL-2025-6487?
MAL-2025-6487 is a malicious package in crto0, published on 15 Jul 2025.
Official description
Importing the module starts downloading or decrypting, and then executing an executable being a wide recognized malware/Infostealer (Redline family)
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2025-07-crpt
Reasons (based on the campaign):
infostealer
Downloads and executes a remote executable.
Downloads and executes a remote malicious script.
exfiltration-crypto
malware
What should I do about MAL-2025-6487?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.