Malware in ethers-io-ethers
Malware was discovered in the npm package ethers-io-ethers. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- ethers-io-ethers
A malicious package named ethers-io-ethers was published to npm containing malware. According to the GitHub Security Advisory GHSA-84j5-2jj5-mpwj, 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 package should be removed, the advisory notes that full control of the computer may have been given to an outside entity, meaning removal of the package alone may not eliminate all malicious software that resulted from the installation.\n\nThis appears to be a typosquatting or direct package compromise attack targeting users of the legitimate ethers.js library.
Indicators of compromise
- Packages
- ethers-io-ethers
Remediation
- Immediately isolate any computer that has ethers-io-ethers installed from the network
- Rotate all secrets, API keys, and cryptographic keys from a different, uncompromised computer
- Remove the ethers-io-ethers package from all systems
- Perform a full security audit and malware scan of affected systems
- Review all recent activity and access logs on compromised systems
- Consider the affected systems as potentially fully compromised and plan for complete rebuild if critical systems are involved
Sources
- GitHub Advisory GHSA-84j5-2jj5-mpwj · GitHub Advisory Database
Cite this entry
"Malware in ethers-io-ethers." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 30, 2026; last updated July 30, 2026. https://supplychainattack.org/incident/malware-in-ethers-io-ethers-1bk3s3
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