Malware in @403name/ether-js
Malware was distributed via the npm package @403name/ether-js. Systems with this package installed or running are considered fully compromised, with potential for complete system takeover.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @403name/ether-js
The npm package @403name/ether-js was found to contain malware. According to the GitHub Advisory (GHSA-qgxg-2j6w-jmpx), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised system. While the malicious package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the package installation, given the potential for full system compromise.\n\nAffected users should treat their systems as potentially under the control of an external entity and take appropriate incident response measures.
Indicators of compromise
- Packages
- @403name/ether-js
Remediation
- Immediately remove the @403name/ether-js package from all systems
- Rotate all secrets, keys, and credentials from a different, uncompromised computer
- Assume full system compromise and conduct thorough forensic analysis
- Consider the affected system(s) as potentially under external control and plan for complete rebuild if critical
- Monitor for any unauthorized access or activity on affected systems
Sources
- GitHub Advisory GHSA-qgxg-2j6w-jmpx · GitHub Advisory Database
Cite this entry
"Malware in @403name/ether-js." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malware-in-403name-ether-js-1brb06
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