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Malicious package

lil-swisgom-hlepersnpm

Advisory published Updated

lil-swisgom-hlepers is a confirmed malicious npm package (MAL-2026-15689) that typosquats a legitimate package to trick installs (malicious version 49.9.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in lil-swisgom-hlepers (npm)

MAL-2026-15689
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall lil-swisgom-hlepers

What this malware does

package.json declares a dependency lil-swisgom-hlepers-core whose version specifier is a direct tarball URL on a third-party host (https://registry.grivy-packages.com/lil-swisgom-hlepers-core/-/lil-swisgom-hlepers-core-49.9.9.tgz) rather than a version resolved from the npm registry. On npm install, npm downloads and installs the arbitrary tarball from that host into the installer's dependency tree, bypassing npm registry review and scanning; any code the tarball ships (including install lifecycle scripts and module-load side effects) then runs on the installer's machine. The package name itself is a misspelling (hlepers for helpers), consistent with a typosquat lure funneling installers into pulling attacker-hosted tarball content.

Malicious versions

1 flagged
49.9.9

Indicators of compromise (SHA-256)

48bf599d7e976dd083e7ce4db9b65a513292caf083fababbf12ef96014eeec8b
75aeaaa8ef6f56423bf517d9ff21cfed3a682701f306103f068b948e330f03db

Detection & response playbook

Typosquat
  1. Find it

    Search your lockfiles and build artifacts for lil-swisgom-hlepers (version 49.9.9).

  2. If you installed it — respond

    lil-swisgom-hlepers is a typosquat — you almost certainly intended a legitimately-named package. Remove lil-swisgom-hlepers, install the correct package, and rotate any secrets exposed during the install since post-install scripts may have already run.

  3. Did it already run?

    If lil-swisgom-hlepers 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. lil-swisgom-hlepers on npm has been identified as a malicious package (version 49.9.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-06305IN-MAL-2026-019395

References

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks lil-swisgom-hlepers-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

lil-swisgom-hlepers (npm) malicious package — MAL-2026-15689 | O3 Security