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Malicious package

zlambcal1778552829RubyGems

Advisory published Updated

zlambcal1778552829 is a confirmed malicious RubyGems package (MAL-2026-9644) 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 zlambcal1778552829 (RubyGems)

MAL-2026-9644
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zlambcal1778552829

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

c87da1db01a6786e5e29b3f746142cd40a91f64346cee867757b8ae06c5fbd9b
a414040ee609bdb4536d516873a114d20e24ff78127060cfb5c6915bbba45adb

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zlambcal1778552829 (version 0.0.1).

  2. If you installed it — respond

    Remove zlambcal1778552829 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 zlambcal1778552829 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. zlambcal1778552829 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-2026-04295RLUA-2026-10232

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zlambcal1778552829-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

zlambcal1778552829 (RubyGems) malicious package — MAL-2026-9644 | O3 Security