VYPR

npm · Malicious package advisory

Malware

blockchain-helper-0

MAL-2026-5352

Malicious code in blockchain-helper-0 (npm)

Details

**Note:** *This report is updated by a verification record*

Crypto/SSH/wallet stealer (self-labeled "CRYPTO STEALER"). postinstall scripts/postinstall.js auto-execs, src/index.js harvests ~/.ssh/id_rsa + wallet keys/seeds + env and exfils to hardcoded Telegram bot 8227918239:AAGEMDrBZluDsBBYPxfSyMuv2l3FY8cZCcs chat 6433587894. Auto-exec + hardcoded attacker Telegram exfil; "blockchain-helper" identity has no reason to read SSH/wallet keys.

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## Source: amazon-inspector (8b9fac34e13ad38cb702f7aad434d18aa276005fe5fa4cbe48c7eb65af26623d)
The package was found to contain malicious code or consuming dependency that contains malicious code

Compromised versions (1)

  • 1.0.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.