Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: SecureBrowsing.io

CRITICAL RISKRemoved from Chrome Web Store

SecureBrowsing.io

ID: dfdpnjejeoibdldcaoobgipehncbdgmp

Could be malicious

Supported Languages

🇺🇸English

Extension Info & Metadata

Status

Removed

Version

3.0.0

Size

0.02 MB

Rating

5.0/5

Reviews

Users

10,000

Type

Extension

Updated

Mar 27, 2025

Publisher Contextual Analysis

Author: https://securebrowsingio.comView Profile
Privacy: Privacy Policy
Help: Help Center
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: Yes
Mailbox exists: Yes
Website: Visit

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

10,000

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Default search extension that offers a seamless and secure way to browse the web.

Enhance your browsing with a secure and seamless search experience. Set Yahoo as your default search engine for safe and reliable results. Enjoy a safer way to browse the web with enhanced privacy. Install now and search with confidence! Learn more about our product: https://www.securebrowsingio.com/

User Growth

Showing data from Jun 03, 2025 to Sep 03, 2025

Versions

+100%(+10,000 users)

Compared to 3 months ago

1 version released in this period

Rating Count

Total: 3 ratings

Average Rating

Current: 5.00 / 5.0+5.00

Extracted Data

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By severity

Critical1

High2

Medium1

Low0

Versions scanned

Showing 1 of 1 scanned version with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
3.0.0 Code review	4

Extension Version	Code Review Findings
3.0.0	4

Files with findings

2 distinct paths — top paths by unique finding count:

background.js2
manifest.json2

S.No.	Category	Severity	File	Summary	Found in Version
1	Data Exfiltration	critical	background.js (line 40)	The external message listener implements a two-way checksum tracking protocol: any page on securebrowsingiosearch.com can call `set_checksum` to plant an arbitrary identifier into `chrome.storage.local`, and later cal…	3.0.0
2	Tracking	high	manifest.json (line 13)	The extension forcibly overrides the user's default search engine via `chrome_settings_overrides` with `is_default: true`, routing all searches through securebrowsingiosearch.com. Every query is tagged with persistent…	3.0.0
3	Unauthorized Data Collection	high	background.js (line 40)	The `set_checksum` message handler allows any operator-controlled web page to write an arbitrary value into `chrome.storage.local` without any user interaction or disclosure. Because `chrome.storage.local` persists ac…	3.0.0
4	Unauthorized Data Collection	medium	manifest.json (line 34)	The `externally_connectable` declaration grants any page served from the operator's domain the ability to send arbitrary messages directly to the extension's background service worker. This creates a persistent, privi…	3.0.0

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URLs

IPv4

IPv6

URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

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${o.domain}	/wim/validate_checksum	https://${o.domain}/wim/validate_checksum?checksum=${h.checksum}`
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
www.securebrowsingiosearch.com	/favicon.ico	https://www.securebrowsingiosearch.com/favicon.ico
www.securebrowsingiosearch.com	/search/	https://www.securebrowsingiosearch.com/search/?category=web&s=vlpr&vert=private&q={searchTerms}
sug.securebrowsingiosearch.com	/v1/sug/	https://sug.securebrowsingiosearch.com/v1/sug/?yid=vlpr&vert=private&q={searchTerms}
www.securebrowsingiosearch.com	/wim/gotohub	https://www.securebrowsingiosearch.com/wim/gotohub?s=vlpr
*.securebrowsingiosearch.com	/*	https://.securebrowsingiosearch.com/

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No IP addresses found

Version History

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Browse and explore files within this extension package

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Security Alert: Confirmed Malware

SecureBrowsing.io

Supported Languages

Extension Info & Metadata

Publisher Contextual Analysis

Chrome Web Store Metadata

About this extension

Analytics & Metrics

User Growth

Rating Count

Average Rating

Static Code Security Analysis

Extracted Data

Code Review Findings Summary Across 1 Version4

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

Version History

Version-to-Version Code Diff

Extension Files

User Growth

Rating Count

Average Rating