Which versions of testgemhack1778550021 are malicious?

The following RubyGems versions of testgemhack1778550021 are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate testgemhack1778550021 if I installed it?

Remove testgemhack1778550021 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 testgemhack1778550021 — how do I know if it already compromised me?

If testgemhack1778550021 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 testgemhack1778550021 part of a known attack campaign?

Yes — testgemhack1778550021 is associated with the RLMA-2026-03628, RLUA-2026-09552 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 testgemhack1778550021 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for testgemhack1778550021 (version 0.0.1).

Malicious package

testgemhack1778550021RubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

testgemhack1778550021 is a confirmed malicious RubyGems package (MAL-2026-8977) 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 testgemhack1778550021 (RubyGems)

MAL-2026-8977

Immediate action

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

gem uninstall testgemhack1778550021

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

9a08ce9a9849a652efa0746f16bf1d052b5aed5902574c51be9a2ef6c3cabdf2

544f484d836db8197f49d1c3560962f432466df1a94fa05c7d6522e64d5a550c

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for testgemhack1778550021 (version 0.0.1).
If you installed it — respond
Remove testgemhack1778550021 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 testgemhack1778550021 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. testgemhack1778550021 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-2026-03628RLUA-2026-09552

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks testgemhack1778550021-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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