Which versions of sprox-c160-3bzr are malicious?

The following RubyGems versions of sprox-c160-3bzr are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate sprox-c160-3bzr if I installed it?

Remove sprox-c160-3bzr 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 sprox-c160-3bzr — how do I know if it already compromised me?

If sprox-c160-3bzr 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 sprox-c160-3bzr part of a known attack campaign?

Yes — sprox-c160-3bzr is associated with the RLMA-2026-03529, RLUA-2026-09435 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 sprox-c160-3bzr across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for sprox-c160-3bzr (version 0.0.1).

Malicious package

sprox-c160-3bzrRubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

sprox-c160-3bzr is a confirmed malicious RubyGems package (MAL-2026-8878) 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 sprox-c160-3bzr (RubyGems)

MAL-2026-8878

Immediate action

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

gem uninstall sprox-c160-3bzr

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

17723ebae2cd7b276801da8df0e62985c0e90f947b8c246ecf8d245b06da6321

4195a498286cfa40bf12078c5ed3099dbcc2489c29ae123912b109db7c6be4a1

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for sprox-c160-3bzr (version 0.0.1).
If you installed it — respond
Remove sprox-c160-3bzr 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 sprox-c160-3bzr 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. sprox-c160-3bzr 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-2026-03529RLUA-2026-09435

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks sprox-c160-3bzr-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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