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Malicious package

etoro-cashoutnpm

Advisory published Updated

etoro-cashout is a confirmed malicious npm package (MAL-2026-16117) that steals credentials and exfiltrates sensitive data (malicious versions 99.0.0, 99.0.2, 999.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in etoro-cashout (npm)

MAL-2026-16117
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall etoro-cashout

What this malware does

The package's preinstall.js lifecycle script runs on npm install and executes host reconnaissance commands (whoami, ipconfig/ip addr, directory listings of C:\ and /, tasklist/ps, and a full environment-variable dump via set/env) and POSTs the collected output over plain HTTP to a hardcoded remote server at 209.126.81.147, using path segments under a canary token 'etoro-nuget-verify1f8eaa57a875'. The package name 'etoro-cashout' at version 99.0.2, the eToro-branded canary, and the beacon path shape are consistent with a dependency-confusion probe targeting an internal eToro registry: any build environment that resolves this public name executes the exfiltration on install. Data leaving the installer includes hostname, username, working directory, filesystem listings, running processes, and the full process environment, which on CI systems routinely contains cloud credentials, registry tokens, and API keys.

Malicious versions

3 flagged
99.0.099.0.2999.0.0

Indicators of compromise (SHA-256)

a35bbd75e3cc742fd88d59bcbb64858df0474505b5d6f93f10e8c727c718e129
a0d8b123f09da5d5d7e0c5f90590e52f5a02d5f1da0b52b4eb5cebd7ecb28071
c8aa14d0b9945053b63f4396f09365c5daefec60a25e931f165b3473e7c564f1

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for etoro-cashout (3 malicious versions).

  2. If you installed it — respond

    etoro-cashout is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If etoro-cashout was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. etoro-cashout on npm has been identified as a malicious package (versions 99.0.0, 99.0.2, 999.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-019915IN-MAL-2026-019996IN-MAL-2026-019997

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks etoro-cashout-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

etoro-cashout (npm) malicious package — MAL-2026-16117 | O3 Security