Malicious code in dotenvv-tool (npm)
Package name dotenvv-tool impersonates the popular dotenv package; index.js is an admitted dummy stub ("The real payload is in postinstall.js"). The postinstall lifecycle script runs on npm install and performs wholesale harvesting of installer-owned secrets: reads ~/.npmrc (npm publish token), ~/.env (API keys, DB URLs, cloud credentials), and ~/.git-credentials; enumerates Chrome/Brave/Edge/Chromium/Vivaldi/Opera profile directories for 71 hardcoded crypto-wallet extension IDs (MetaMask, Phantom, Coinbase Wallet, Ledger, Trezor, etc.) and reads their LevelDB .log files for vault/mnemonic/privateKey/password patterns; scans ~/Documents, ~/Desktop, ~/Downloads for files matching BIP-39 seed-phrase patterns; collects os.hostname() and os.userInfo(); and POSTs the bundle over plaintext HTTP to a hardcoded bare-IP endpoint at http://149.28.127.35:8888 (postinstall.js line 7, with process.env.C2_URL override to let the operator retarget exfiltration without republishing). Author-written header comment self-describes the file as "Token harvester + Crypto wallet scanner / Runs on npm install. Silent. Zero trace."
MAL-2026-3758 is recorded against 1 package.
Published on 14 May 2026 and last revised on 15 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
www.npmjs.com (Package)
www.npmjs.com (Package)
www.npmjs.com (Package)
www.npmjs.com (Package)
www.npmjs.com (Package)
Details
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| dotenvv-tool | — | — |
References
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