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Malicious package

zswactb11785RubyGems

Advisory published Updated

zswactb11785 is a confirmed malicious RubyGems package (MAL-2026-9796) 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 zswactb11785 (RubyGems)

MAL-2026-9796
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zswactb11785

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

63dc5f4986a52efbad288f3d9b3230e1e779fcd3fb07a5a93d2de6553b787f16
58f01ecd339e4a274a572de6b5da3a39be026f675f3c4f030dff6eb4d257d02a

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zswactb11785 (version 0.0.1).

  2. If you installed it — respond

    Remove zswactb11785 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 zswactb11785 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. zswactb11785 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-2026-04447RLUA-2026-10385

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zswactb11785-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

zswactb11785 (RubyGems) malicious package — MAL-2026-9796 | O3 Security