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Malicious package

zztxtwtmp02RubyGems

Advisory published Updated

zztxtwtmp02 is a confirmed malicious RubyGems package (MAL-2026-9989) 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 zztxtwtmp02 (RubyGems)

MAL-2026-9989
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zztxtwtmp02

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

fa7c4c29e317c90d40c2e9021708168cf42759215c07d074772055f50079f4ef
cd1edfd2fc102be4b3b9345ed511d32adf3908e5c437198403f2c7773b6869e2

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zztxtwtmp02 (version 0.0.1).

  2. If you installed it — respond

    Remove zztxtwtmp02 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 zztxtwtmp02 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. zztxtwtmp02 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-2026-04640RLUA-2026-10578

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zztxtwtmp02-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

zztxtwtmp02 (RubyGems) malicious package — MAL-2026-9989 | O3 Security