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Malicious package

zjpage2RubyGems

Advisory published Updated

zjpage2 is a confirmed malicious RubyGems package (MAL-2026-9610) 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 zjpage2 (RubyGems)

MAL-2026-9610
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zjpage2

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

9acb5b88f2f3d05dd1a3581867a035637d9a99323c8c4e2ebbda61e0ec7ba426
07e9868ea80088c5476f7873856254ad2d7055f4259a82b5d51ba509280cc543

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zjpage2 (version 0.0.1).

  2. If you installed it — respond

    Remove zjpage2 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 zjpage2 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. zjpage2 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-2026-04261RLUA-2026-10198

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zjpage2-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

zjpage2 (RubyGems) malicious package — MAL-2026-9610 | O3 Security