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Malicious package

avvio.sky.userdataserviceNuGet

Malicious code in avvio.sky.userdataservice (NuGet) Remove it immediately and rotate any exposed credentials.

MAL-2026-1884
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
remove avvio.sky.userdataservice

Malicious versions

1 flagged
99.9.9

Indicators of compromise (SHA-256)

67bdd29b27c2f52a930dccdd4e26d48cb615d8bbb0aa2668ba39ae97ff0b8671

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 avvio.sky.userdataservice (version 99.9.9). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging avvio.sky.userdataservice across your stack and pipelines.

  2. If you installed it — respond

    Remove avvio.sky.userdataservice 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 avvio.sky.userdataservice 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 avvio.sky.userdataservice 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. avvio.sky.userdataservice on NuGet has been identified as a malicious package (version 99.9.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-00012

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks avvio.sky.userdataservice-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.

avvio.sky.userdataservice (NuGet) malicious package — MAL-2026-1884 | O3 Security