MAL-2026-12365 Malicious code in dolyame-boxy-independent-bnpl-info-images (npm)

On require() of the package, index.js loads adapter.js which selects a platform-specific payload path, downloads a binary from runtime-assembled Cloudflare workers.dev hostnames (with a DNS TXT fallback channel via *.dl.well1.site), writes it to /var/tmp or %TEMP% under decoy names (.cache<hex>, dotnet_diag_<hex>.exe,.analytics_state), chmods it 0755, and spawns it detached via /bin/sh -c or cmd. Destination hostnames are assembled by Array.join from split fragments to evade static matching. The package's advertised public API (DolyameBoxyIndependentBnplInfoImages with init/version/configure) is a no-op wrapper; the only real behavior triggered by importing the package is the covert binary drop-and-execute in _adapter.js. No hash or signature verification is performed on the fetched binary, and the destination hosts are unrelated to any BNPL/imaging functionality the name implies.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.