Malware in @gocortexio/npmgremlinbox-arphic-1999
Malware was distributed via the npm package @gocortexio/npmgremlinbox-arphic-1999. Installation grants full system compromise to an outside entity. All secrets and keys on affected systems must be rotated immediately.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-arphic-1999
A malicious npm package, @gocortexio/npmgremlinbox-arphic-1999, was published and distributed to users. Any system with this package installed or running should be considered fully compromised.
The malware grants complete control of the affected computer to an outside entity. Users are advised to rotate all secrets and keys stored on compromised systems immediately from a different, unaffected computer.
While the package should be removed, full system compromise means there is no guarantee that removal will eliminate all malicious software installed as a result of the package. A complete security review and potential system rebuild may be necessary.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-arphic-1999
Remediation
- Immediately remove the @gocortexio/npmgremlinbox-arphic-1999 package from all systems
- Rotate all secrets, API keys, credentials, and authentication tokens from a different, unaffected computer
- Assume full system compromise and conduct a thorough security audit
- Consider complete system rebuild or forensic analysis to ensure all malicious software is removed
- Review access logs and audit trails for any unauthorized activity during the period the package was installed
- Notify any services or systems that may have been accessed from the compromised computer
Sources
- GitHub Advisory GHSA-295j-j4gp-423v · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-arphic-1999." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-arphic-1999-13v7ea
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