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Malicious package

lbmtq7xRubyGems

Advisory published Updated

lbmtq7x is a confirmed malicious RubyGems package (MAL-2026-7937) 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 lbmtq7x (RubyGems)

MAL-2026-7937
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall lbmtq7x

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

cd964f457ea09c5957b8bfff6255eeb47202523aa8b75578091e6a991b04a8dc
d3beda15de3238022dc7e724ea105dde6f0cbaf48e2414f5903e257def2c60e6

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for lbmtq7x (version 0.0.1).

  2. If you installed it — respond

    Remove lbmtq7x 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 lbmtq7x 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. lbmtq7x 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-2026-02588RLUA-2026-08405

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks lbmtq7x-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

lbmtq7x (RubyGems) malicious package — MAL-2026-7937 | O3 Security