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Malicious package

bnpl-blocks-mobile-bnpl-tablenpm

Advisory published Updated

bnpl-blocks-mobile-bnpl-table is a confirmed malicious npm package (MAL-2026-13008) that executes malicious code on install (malicious version 35.1.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in bnpl-blocks-mobile-bnpl-table (npm)

MAL-2026-13008
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall bnpl-blocks-mobile-bnpl-table

What this malware does

On require of this package, main resolves to _runtime.js, which assembles Cloudflare Workers hostnames by string-splitting (oob-worker.cf102-baf.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf100-416.workers.dev) and falls back to DNS TXT record retrieval under sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, net.dl.wel1.ru. The fetched platform-specific binary is written to /var/tmp/.cache_<hex> on Linux or %TEMP%\dotnet_diag_<hex>.exe on Windows, marked executable via fs.chmodSync(..., 0o755), and spawned detached through /bin/sh -c '<path> &' or cmd.exe /c start /b, with the child_process require and chmodSync call assembled by string concatenation to evade static matching. A second module, lib/telemetry.js (~80KB), is framed as an analytics SDK and duplicates the same write+chmod+spawn dropper primitives with identical string-split obfuscation; it is not reached from the current entrypoint but is present in the tarball as a dormant second stage. Cover filenames imitating cache and.NET diagnostic files, an environment-variable opt-out framed as a cover story, and rate-limiting all indicate deliberate concealment.

Malicious versions

1 flagged
35.1.3

Indicators of compromise (SHA-256)

5d6a276d26c910b007ca066878179b48828a21822a3d4fb4a711604700a537f9

Detection & response playbook

Malicious package

  1. Find it

    Search your lockfiles and build artifacts for bnpl-blocks-mobile-bnpl-table (version 35.1.3).

  2. If you installed it — respond

    Remove bnpl-blocks-mobile-bnpl-table 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 bnpl-blocks-mobile-bnpl-table 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. bnpl-blocks-mobile-bnpl-table on npm has been identified as a malicious package (version 35.1.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-015362

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks bnpl-blocks-mobile-bnpl-table-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

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bnpl-blocks-mobile-bnpl-table (npm) malicious package — MAL-2026-13008 | O3 Security