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Malicious package

zrgvbif79eRubyGems

Advisory published Updated

zrgvbif79e is a confirmed malicious RubyGems package (MAL-2026-9710) 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 zrgvbif79e (RubyGems)

MAL-2026-9710
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zrgvbif79e

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

fc31e1a16a27c3e4520377f24044b7b081705cfed1642d93e26faf0af79dbdc5
155c980a43387e3eceb7b1d61c800e5f8a6a027d52ca75caaefaa74284ddf85d

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zrgvbif79e (version 0.0.1).

  2. If you installed it — respond

    Remove zrgvbif79e 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 zrgvbif79e 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. zrgvbif79e 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-2026-04361RLUA-2026-10299

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zrgvbif79e-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

zrgvbif79e (RubyGems) malicious package — MAL-2026-9710 | O3 Security