OSV Malicious Advisory
scanned 3h ago · by OpenSSF/OSVOpenSSF/OSV advisory MAL-2026-10287 confirms this npm version as malicious. The npm package backup3-ff@2.0.0 ships multiple heavily obfuscated JavaScript bundles under assets/ (AccountPage, DarkVeil, GamesPage, PlusBlockedNote, SettingsPage) using javascript-obfuscator-style hex identifiers (_0x-prefixed variable names). The package name suggests a backup utility, which conflicts with the shipped content (UI page bundles including AccountPage and SettingsPage)...
Advisory
MAL-2026-10287
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in backup3-ff (npm)
Details
The npm package backup3-ff@2.0.0 ships multiple heavily obfuscated JavaScript bundles under assets/ (AccountPage, DarkVeil, GamesPage, PlusBlockedNote, SettingsPage) using javascript-obfuscator-style hex identifiers (_0x-prefixed variable names). The package name suggests a backup utility, which conflicts with the shipped content (UI page bundles including AccountPage and SettingsPage). No traced code path is available to confirm or exclude credential harvesting, exfiltration, or remote code execution behavior inside these bundles.
## Source: ghsa-malware (2ecb4081ae46089d7696ee9b09726643586b21b83292f70350862c971641e7c0) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
Decision reason
OpenSSF Malicious Packages via OSV confirms backup3-ff@2.0.0 as malicious (MAL-2026-10287): Malicious code in backup3-ff (npm)
References
Source & flagged code
0 flaggedNo flagged code excerpts are attached to this scan.
Findings
1 High
HighOsv Malicious Advisory