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Malicious package

zwkact7RubyGems

Advisory published Updated

zwkact7 is a confirmed malicious RubyGems package (MAL-2026-9861) that executes malicious code on install (malicious version 0.0.3292). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in zwkact7 (RubyGems)

MAL-2026-9861
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zwkact7

Malicious versions

1 flagged
0.0.3292

Indicators of compromise (SHA-256)

7db14c20553e460f29fd6513b13fe76c5efbb7f0c63ebb421e6a0921fd4b4ed0
0de1171406c76ec907592dd1e0d040b0488b785af90ed2c67d6a330306707f0f

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for zwkact7 (version 0.0.3292).

  2. If you installed it — respond

    Remove zwkact7 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 zwkact7 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. zwkact7 on RubyGems has been identified as a malicious package (version 0.0.3292 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-04512RLUA-2026-10450

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zwkact7-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

zwkact7 (RubyGems) malicious package — MAL-2026-9861 | O3 Security