Security News > 2021 > October > Popular nmp package hijacked, modified to deliver cryptominers

The library's lightweight npm package is extremely popular: according to the numbers on its npm registry page, it surpasses 8 million weekly downloads.

The compromised packages were removed from the repository and a security advisory was published.

"Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it," they advised.

Js package was detected within hours of it happening, this supply chain compromise will likely affect a number of dependent projects.

Js compromise happened ten days after someone published three malicious packages on nmp named "Klow", "Klown", and "Okhsa" that also launched cryptominers on Windows, macOS and Linux machines.

Now we know that the attacker likely did not stop once these packages were taken down by the npm security team, and instead managed to compromise the real deal.

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