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Malicious package

metatestmyprfolxRubyGems

Advisory published Updated

metatestmyprfolx is a confirmed malicious RubyGems package (MAL-2026-8091) 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 metatestmyprfolx (RubyGems)

MAL-2026-8091
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall metatestmyprfolx

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

725421d6b5c33a674f22326b87de90d451c2f3aa9c010969317141d85a3e6120
60acab76f9a25d782fccb3765697b17cd92c9bfa7592c24be8223c3b544a1871

Detection & response playbook

Malicious package
  1. Find it

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

  2. If you installed it — respond

    Remove metatestmyprfolx 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 metatestmyprfolx 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. metatestmyprfolx 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-2026-02742RLUA-2026-08595

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks metatestmyprfolx-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

metatestmyprfolx (RubyGems) malicious package — MAL-2026-8091 | O3 Security