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Malicious package

zrgvqaf6fRubyGems

Advisory published Updated

zrgvqaf6f is a confirmed malicious RubyGems package (MAL-2026-9742) 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 zrgvqaf6f (RubyGems)

MAL-2026-9742
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zrgvqaf6f

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

4960f633bee34291ac4144e3de434247f415005722c7939be204e49fe80d511e
819961481af6ea344e6cbbb4eff45e3f173e24ddc5ce7191d6a8b7b6f3683110

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zrgvqaf6f (version 0.0.1).

  2. If you installed it — respond

    Remove zrgvqaf6f 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 zrgvqaf6f 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. zrgvqaf6f 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-2026-04393RLUA-2026-10331

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zrgvqaf6f-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

zrgvqaf6f (RubyGems) malicious package — MAL-2026-9742 | O3 Security