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Malicious package

sgfcchuzoxRubyGems

Advisory published Updated

sgfcchuzox is a confirmed malicious RubyGems package (MAL-2026-8601) 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 sgfcchuzox (RubyGems)

MAL-2026-8601
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall sgfcchuzox

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

c46152a4c9b44260e3a5dc9c940b37bc3095b20f7cc660acfc5157e6b0b9c90d
f1d9ed18c8b42cc4705250c326d583525d73b1b21e823ba6e8dd8079b24cc871

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove sgfcchuzox 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 sgfcchuzox 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. sgfcchuzox 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-2026-03252RLUA-2026-09149

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks sgfcchuzox-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

sgfcchuzox (RubyGems) malicious package — MAL-2026-8601 | O3 Security