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Malicious package

wandczvof5hgRubyGems

Advisory published Updated

wandczvof5hg is a confirmed malicious RubyGems package (MAL-2026-9173) 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 wandczvof5hg (RubyGems)

MAL-2026-9173
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wandczvof5hg

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

21389188f08598216da42a2c1b14740e23282cc6ac9ca6f14bc69f9f96359b87
cac2f8e9a8b17af48744e471527b868ed7c3dec1da1144fa053df6b0c0976708

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wandczvof5hg (version 0.0.1).

  2. If you installed it — respond

    Remove wandczvof5hg 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 wandczvof5hg 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. wandczvof5hg 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-2026-03824RLUA-2026-09754

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wandczvof5hg-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

wandczvof5hg (RubyGems) malicious package — MAL-2026-9173 | O3 Security