MAL-2026-11139

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## Source: amazon-inspector (52bb92157f869a5e1da58a19c88743989d44703201f8d1df250c2543b70b6be3) The package's main entry (index.mjs) contains a chunked base64 blob whose decoded bytes are a Windows PE64 executable (MZ/PE header confirmed, including the 'This program cannot be run in DOS mode' stub). At import time, when running under Linux with a WSL environment detected via existence of /mnt/c, the module writes this embedded binary to /mnt/c/Users/<user>/AppData/Roaming/Microsoft/Windows/Start Menu/Programs/Startup/vite-native-helper.exe. Placement into the Windows Startup folder causes the binary to auto-execute on the next Windows login of the developer whose WSL environment imported the package, giving the publisher code execution on the Windows host. The package.json advertises the module as a 'dependency-free streak counting utility' and the README describes it as an empty placeholder; the PE payload and the WSL persistence path are entirely undocumented. The filename 'vite-native-helper.exe' is a cover-story name unrelated to the package's stated purpose.