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Malicious package

zjia22RubyGems

Advisory published Updated

zjia22 is a confirmed malicious RubyGems package (MAL-2026-9596) 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 zjia22 (RubyGems)

MAL-2026-9596
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zjia22

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

5099f0eeaeabb30fa5898c55c28a40a0910aedfa98e1e632227bdb579e06802d
9b3c1ca0ebff08d04c095c886f411057f63dd90508875de158f82663ea9dc22a

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zjia22 (version 0.0.1).

  2. If you installed it — respond

    Remove zjia22 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 zjia22 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. zjia22 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-2026-04247RLUA-2026-10184

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zjia22-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

zjia22 (RubyGems) malicious package — MAL-2026-9596 | O3 Security