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Malicious package

installyouraPyPI

Advisory published Updated

installyoura is a confirmed malicious PyPI package (MAL-2025-191641) that steals credentials and exfiltrates sensitive data (malicious version 0.1.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in installyoura (PyPI)

MAL-2025-191641
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall installyoura

What this malware does

Package download and runs widely recognized malware

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-10-installyoura

Reasons (based on the campaign):

  • Downloads and executes a remote executable.

  • malware

Malicious versions

1 flagged
0.1.0

Indicators of compromise (SHA-256)

d1cea161aaf0917feb90ee6ca92c47898773ee49a7651a0f05736ac0d8422472
f08a1e6984f33d8264ef7bf14c325f47035bae06c4690031c3629e7fb79270a8
ce9e3e9d41cbe7a819ee558b5d69ee8b77d3cbfbf54a5d8167500266dfdca903
91384be40c53d7a0b9ae9e9a583e7d623634e984b5dd5307526cc09ecdf0d8cf

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for installyoura (version 0.1.0).

  2. If you installed it — respond

    installyoura 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 installyoura 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. installyoura on PyPI has been identified as a malicious package (version 0.1.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-056102025-10-installyouraRLUA-2026-00427

References

Credits

  • Kamil Mańkowski (kam193)
  • ReversingLabs · finder

Detect & block this

O3 blocks installyoura-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

installyoura (PyPI) malicious package — MAL-2025-191641 | O3 Security