Malwarebytes Browser GuardSecurity Analysis

Extension intercepts network traffic and sends data externally — potential man-in-the-middle behavior.

Extension reads clipboard and communicates externally — potential credential or crypto address theft.

Extension communicates with native apps and executes dynamic code — potential sandbox escape vector.

Extension has access to all sites and captures keyboard input — behavior consistent with a keylogger.

Creates functions from strings, similar to eval(), often used to hide malicious code.

Dynamically creates script elements, potentially loading external malicious code.

Listens for keyboard events, a common technique used by keyloggers.

Dynamically sets a script's src attribute to load external code at runtime.

Reads clipboard contents via the Clipboard API — can access copied passwords, crypto addresses, or sensitive data.

Creates a function from a string (new Function()), similar to eval().

JavaScript files are accessible to ALL websites. Any page can load and interact with these scripts, enabling web→extension attacks.

Extension tracks open tabs and communicates with external servers — potential browsing surveillance.

Decodes base64 data, commonly used to hide malicious payloads.

Uses XMLHttpRequest to make network calls.

Dynamically creates iframe elements, which can be used to load external content or hide malicious UI.

Modifies window.location to redirect the user, potentially to phishing or malicious pages.

Sends messages via Chrome runtime, could communicate with external services.

JavaScript file could not be parsed. May contain obfuscated or minified code.

Line exceeds 5000 characters (entropy: 5.336712500472402)

Web-accessible resources use <all_urls> or wildcard patterns, exposing resources to every website.

Sets innerHTML directly, which can lead to XSS if used with untrusted data.

Encodes data to base64, may be used for data exfiltration.

Reads or writes to localStorage, which may contain sensitive site data.

Extension accepts messages from 1 external pattern(s). Verify these are trusted origins.