Which versions of vanc3ubcy1778552409 are malicious?

The following RubyGems versions of vanc3ubcy1778552409 are flagged malicious: 0.0.1. Treat any of these as compromised.

How do I remediate vanc3ubcy1778552409 if I installed it?

Remove vanc3ubcy1778552409 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 vanc3ubcy1778552409 — how do I know if it already compromised me?

If vanc3ubcy1778552409 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 vanc3ubcy1778552409 part of a known attack campaign?

Yes — vanc3ubcy1778552409 is associated with the RLMA-2026-03751, RLUA-2026-09680 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 vanc3ubcy1778552409 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for vanc3ubcy1778552409 (version 0.0.1).

Malicious package

vanc3ubcy1778552409RubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

vanc3ubcy1778552409 is a confirmed malicious RubyGems package (MAL-2026-9100) 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 vanc3ubcy1778552409 (RubyGems)

MAL-2026-9100

Immediate action

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

gem uninstall vanc3ubcy1778552409

Malicious versions

1 flagged

0.0.1

Indicators of compromise (SHA-256)

b4690d54530b18c0985eb2a0d23dc0f1c728b3de6b0ccd17641440f8fee13f53

c9ecd944b4dc5f352a21aead8d4db6812f204fb3d093a32d5d75a06b9cfba991

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for vanc3ubcy1778552409 (version 0.0.1).
If you installed it — respond
Remove vanc3ubcy1778552409 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 vanc3ubcy1778552409 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. vanc3ubcy1778552409 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-2026-03751RLUA-2026-09680

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks vanc3ubcy1778552409-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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