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Malicious package

nwcid320RubyGems

Advisory published Updated

nwcid320 is a confirmed malicious RubyGems package (MAL-2026-8144) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in nwcid320 (RubyGems)

MAL-2026-8144
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall nwcid320

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

2f18a006d81410c98eb67c3b32c0a81a851ae433f539fc8c606c28d505b9e2d1
6c597d58a7f81017cb2860106e72b1b09c8d2bbd59e3f49b2eed89d32407a63b

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for nwcid320 (version 0.0.1).

  2. If you installed it — respond

    Remove nwcid320 from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If nwcid320 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. nwcid320 on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02795RLUA-2026-08659

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks nwcid320-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

nwcid320 (RubyGems) malicious package — MAL-2026-8144 | O3 Security