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Malicious package

zlam_hjanhRubyGems

Advisory published Updated

zlam_hjanh is a confirmed malicious RubyGems package (MAL-2026-9631) that executes malicious code on install (malicious version 0.0.204). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in zlam_hjanh (RubyGems)

MAL-2026-9631
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zlam_hjanh

Malicious versions

1 flagged
0.0.204

Indicators of compromise (SHA-256)

40602cea7fedca0050520f89723d2ece6986837c35f5c786ed3cfa2cde0d76cc
d4b29b54eee27c2abe6b4d1b7f34bed8a8f3ae0bccda5057cd209b1b428724a1

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zlam_hjanh (version 0.0.204).

  2. If you installed it — respond

    Remove zlam_hjanh 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 zlam_hjanh 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. zlam_hjanh on RubyGems has been identified as a malicious package (version 0.0.204 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-04282RLUA-2026-10219

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zlam_hjanh-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

zlam_hjanh (RubyGems) malicious package — MAL-2026-9631 | O3 Security