bnpl-blocks-atom-bnpl-carousel-linenpm
Advisory published Updated
bnpl-blocks-atom-bnpl-carousel-line is a confirmed malicious npm package (MAL-2026-12869) that executes malicious code on install (malicious version 35.1.6). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in bnpl-blocks-atom-bnpl-carousel-line (npm)
What this malware does
On require of the package's main entry, index.js loads./shim.js, which assembles attacker-controlled hostnames from string-split arrays (e.g. ["oob-work","er.cf101-adf.w","orke","rs.d","ev"].join("") and ["sdk.","dl.we","l1.","ru"].join("")), downloads a platform-specific binary over HTTPS from a rotated list of oob-worker.cf10*-*.workers.dev hosts with a DNS TXT fallback under dl.wel1.ru, writes it to /var/tmp/.cache<rnd> on Unix or %TEMP%\dotnet_diag_<rnd>.exe on Windows, chmods it 0755, and spawns it detached via /bin/sh -c or cmd.exe /c start. A sibling file lib/telemetry.js contains the same fetch-decode-chmod-exec pattern with dynamic property construction (fs["chmod"+"Sync"]) disguised as an analytics SDK. The package name suggests a BNPL UI component but ships an install/import-time binary dropper with hostname obfuscation and DNS-over-TXT fallback for HTTPS blocking.
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Malicious packageFind it
Search your lockfiles and build artifacts for bnpl-blocks-atom-bnpl-carousel-line (version 35.1.6).
If you installed it — respond
Remove bnpl-blocks-atom-bnpl-carousel-line 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.
Did it already run?
If bnpl-blocks-atom-bnpl-carousel-line 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
Campaign
References
Credits
- Amazon Inspector · finder
Detect & block this
O3 blocks bnpl-blocks-atom-bnpl-carousel-line-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.