Which versions of zztestproxyfooabcxyz are malicious?

The following RubyGems versions of zztestproxyfooabcxyz are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate zztestproxyfooabcxyz if I installed it?

Remove zztestproxyfooabcxyz 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.

I already installed zztestproxyfooabcxyz — how do I know if it already compromised me?

If zztestproxyfooabcxyz 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.

Is zztestproxyfooabcxyz part of a known attack campaign?

Yes — zztestproxyfooabcxyz is associated with the RLMA-2026-04638, RLUA-2026-10576 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find zztestproxyfooabcxyz across my projects, lockfiles, and CI pipelines?

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

Malicious package

zztestproxyfooabcxyzRubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

zztestproxyfooabcxyz is a confirmed malicious RubyGems package (MAL-2026-9987) 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 zztestproxyfooabcxyz (RubyGems)

MAL-2026-9987

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

gem uninstall zztestproxyfooabcxyz

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

dc4f5f9d39fc02a1203e3122e103d468bab821c448ba50bf92ce01ffa3579e86

4e0b0c88ab015d48a04fcc48b064586a3ed812577ce367b41fe5871e75d29124

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for zztestproxyfooabcxyz (version 0.0.1).
If you installed it — respond
Remove zztestproxyfooabcxyz 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.
Did it already run?
If zztestproxyfooabcxyz 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. zztestproxyfooabcxyz 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-2026-04638RLUA-2026-10576

References

Credits

ReversingLabs · finder

Detect & block this

O3 blocks zztestproxyfooabcxyz-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.

Malware detection Runtime egress monitoring

Explore

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