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Malicious package

uxbcrwands2RubyGems

Advisory published Updated

uxbcrwands2 is a confirmed malicious RubyGems package (MAL-2026-9037) 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 uxbcrwands2 (RubyGems)

MAL-2026-9037
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall uxbcrwands2

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

2111a8bea39bfc0f071de93e435e0ac7584a1c25c8bc2e121350b918d3c3f96e
2735ed941f8b7cc3dcbce9e015db722ab961c6b0b5f0a5f2f920affcbda8d9c5

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for uxbcrwands2 (version 0.0.1).

  2. If you installed it — respond

    Remove uxbcrwands2 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 uxbcrwands2 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. uxbcrwands2 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-2026-03688RLUA-2026-09615

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks uxbcrwands2-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

uxbcrwands2 (RubyGems) malicious package — MAL-2026-9037 | O3 Security