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Malicious package

sprox-c160-0svnRubyGems

Advisory published Updated

sprox-c160-0svn is a confirmed malicious RubyGems package (MAL-2026-8865) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in sprox-c160-0svn (RubyGems)

MAL-2026-8865
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall sprox-c160-0svn

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

8859598b7fa22422df162bba381490659758f33ac47a01449b2b45af5dc90b0e
e9e2a25178025c7ab69cbc73755b6714f9ee85dca42436fe3ffc7a0c4ab6c13c

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for sprox-c160-0svn (version 0.0.1).

  2. If you installed it — respond

    Remove sprox-c160-0svn from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If sprox-c160-0svn 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. sprox-c160-0svn on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-03516RLUA-2026-09422

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks sprox-c160-0svn-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

sprox-c160-0svn (RubyGems) malicious package — MAL-2026-8865 | O3 Security