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Malicious package

wnmaofmjqxduRubyGems

Advisory published Updated

wnmaofmjqxdu is a confirmed malicious RubyGems package (MAL-2026-9419) 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 wnmaofmjqxdu (RubyGems)

MAL-2026-9419
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wnmaofmjqxdu

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

03299197cbbf5390f5e7972a5ad83f39df0a1ec751a65ff6dd13fae70a7bcb6c
3ddead86734697ef6b2d1565160cc15b7f13630645f4fe2a2f00bcba712885f3

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove wnmaofmjqxdu 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 wnmaofmjqxdu 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. wnmaofmjqxdu 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-2026-04070RLUA-2026-10000

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wnmaofmjqxdu-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

wnmaofmjqxdu (RubyGems) malicious package — MAL-2026-9419 | O3 Security