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Malicious package

wtenc3RubyGems

Malicious code in wtenc3 (RubyGems) Remove it immediately and rotate any exposed credentials.

MAL-2026-9487
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wtenc3

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

b026669505eff027ba1230bfed5ceb4fa5c62920ad9a87fe6702d13bf7a5433c

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for wtenc3 (version 0.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging wtenc3 across your stack and pipelines.

  2. If you installed it — respond

    Remove wtenc3 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 wtenc3 was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks wtenc3 before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. wtenc3 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-2026-04138

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wtenc3-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.

wtenc3 (RubyGems) malicious package — MAL-2026-9487 | O3 Security