MAL-2026-3385 Malicious code in web3-helper (PyPI)
Malicious package
Published
MAL-2026-3385 is a malicious package: web3-helper (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-2026-3385/ (Markdown: https://insights.sbomify.com/MAL-2026-3385/index.md)
- Package
- web3-helper
- Registry
- PyPI
What is MAL-2026-3385?
MAL-2026-3385 is a malicious package in web3-helper, published on 8 May 2026.
Official description
The code automatically scans the filesystem looking for BIP-39 seed phrases and data indicating private keys, and exfiltrates them
Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.
Campaign: 2026-05-solana-wallet-sdk
Reasons (based on the campaign):
files-exfiltration
crypto-related
exfiltration-crypto
What should I do about MAL-2026-3385?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.