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Malicious package

zzjinavcsgitRubyGems

Advisory published Updated

zzjinavcsgit is a confirmed malicious RubyGems package (MAL-2026-9952) 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 zzjinavcsgit (RubyGems)

MAL-2026-9952
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zzjinavcsgit

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

bf21a77767b158c191a5c627ec5c21bda4ed8b9b4c7426b0a202533ced4334d4
14899d1f285c504a29d913e9b85da269988e0231ff5f232acef1ef9e337a9d42

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove zzjinavcsgit 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 zzjinavcsgit 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. zzjinavcsgit 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-2026-04603RLUA-2026-10541

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zzjinavcsgit-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

zzjinavcsgit (RubyGems) malicious package — MAL-2026-9952 | O3 Security