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Malicious package

ethrpc-accountsPyPI

Advisory published Updated

ethrpc-accounts is a confirmed malicious PyPI package (MAL-2026-948) that steals credentials and exfiltrates sensitive data (malicious versions 0.9.1, 0.9.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in ethrpc-accounts (PyPI)

MAL-2026-948
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall ethrpc-accounts

What this malware does

This package is a clone of legitimate eth-accounts. The malicious code is hidden in the dependency, ethrpc-keys, which exfiltrates private keys.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-02-old-ethrpc-keys

Reasons (based on the campaign):

  • clones-real-package

  • exfiltration-crypto

  • crypto-related

  • action-hidden-in-lib-usage

  • The malicious code is intentionally included in a dependency of the package

Malicious versions

2 flagged
0.9.10.9.2

Indicators of compromise (SHA-256)

6372ce82342ae30022a83501fc348d1c63ec3cb27b19dba0678430efdfeeb077

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for ethrpc-accounts (2 malicious versions).

  2. If you installed it — respond

    ethrpc-accounts is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If ethrpc-accounts was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. ethrpc-accounts on PyPI has been identified as a malicious package (versions 0.9.1, 0.9.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-02-old-ethrpc-keys

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

O3 blocks ethrpc-accounts-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

ethrpc-accounts (PyPI) malicious package — MAL-2026-948 | O3 Security