Which versions of lambzip16834 are malicious?

The following RubyGems versions of lambzip16834 are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate lambzip16834 if I installed it?

Remove lambzip16834 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.

I already installed lambzip16834 — how do I know if it already compromised me?

If lambzip16834 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.

Is lambzip16834 part of a known attack campaign?

Yes — lambzip16834 is associated with the RLMA-2026-02504, RLUA-2026-08319 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find lambzip16834 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for lambzip16834 (version 0.0.1).

Malicious package

lambzip16834RubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

lambzip16834 is a confirmed malicious RubyGems package (MAL-2026-7853) 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 lambzip16834 (RubyGems)

MAL-2026-7853

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

gem uninstall lambzip16834

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

e9ed67c48c9c274614a4ffbfc57ba7c6bfa5acc0b49aabfa80d6df7598583110

3f8ab27a47b890458c17f87d1b8ee982f010158d03483ca31562990320a552df

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for lambzip16834 (version 0.0.1).
If you installed it — respond
Remove lambzip16834 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.
Did it already run?
If lambzip16834 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. lambzip16834 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-2026-02504RLUA-2026-08319

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks lambzip16834-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.

Malware detection Runtime egress monitoring

Explore

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