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supplychainattack.orgSupply chain attack incident catalog
containedcritical

Malware in encryptstringadmin

The npm package encryptstringadmin was found to contain malware, resulting in full system compromise of any computer with the package installed or running. All secrets and keys on affected systems should be rotated immediately from a different computer.

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Disclosed
Last updated
Blast radius
Any system with the package installed or running
Ecosystems
Attack vectors
Affected entities
  • encryptstringadmin

The npm package encryptstringadmin was identified as containing malware. According to the GitHub Advisory (GHSA-x92w-56m5-jchf), any computer that has 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 computer. While the package should be removed, the advisory notes that full control of the computer may have been given to an outside entity, meaning there is no guarantee that removing the package will remove all malicious software resulting from the installation.\n\nThe package should be avoided and removed from all systems where it was installed."

Indicators of compromise

Packages
  • encryptstringadmin

Remediation

  • Remove the encryptstringadmin package from all systems immediately
  • Rotate all secrets, keys, and credentials stored on affected computers from a different, uncompromised computer
  • Conduct a full security audit of any system that had this package installed
  • Monitor affected systems for signs of unauthorized access or persistence mechanisms
  • Consider the affected system fully compromised and plan for complete rebuild if critical infrastructure

Sources

  1. GitHub Advisory GHSA-x92w-56m5-jchf · GitHub Advisory Database

Cite this entry

"Malware in encryptstringadmin." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 22, 2026; last updated July 22, 2026. https://supplychainattack.org/incident/malware-in-encryptstringadmin-1hmhcl

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