Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: Multicheck Checkbox Checker

CRITICAL RISKRemoved from Chrome Web Store

Multicheck Checkbox Checker

ID: bmcleiancmakcoknkgnfgijomcddhpbi

Could be malicious

Supported Languages

🇺🇸US English

Extension Info & Metadata

Status

Removed

Version

2.5

Size

0.19 MB

Rating

2.8/5

Reviews

143

Users

11,279

Type

Extension

Updated

Feb 19, 2022

Publisher Contextual Analysis

Author: Checkbox CheckerView Profile
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

11,279

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.

Simply check or uncheck multiple checkboxes at a time by clicking and dragging.

Allows you to check multiple checkboxes quickly by CLICKING & DRAGGING or even quicker with an ALT+CLICK & DRAG area select. You may need to refresh your browser window after installation for this extension to work. *UPDATE* Here is a short user-created video tutorial describing how to implement this extension. https://youtu.be/MazQnq-RcC8 Feel free to post any comments or bugs, but unfortunately the developer will not be able to address any of them at this time.

User Growth

Showing data from Jan 01, 2022 to Dec 31, 2022

Versions

-1.31%(-150 users)

Compared to 3 months ago

2 versions released in this period

Rating Count

Total: 125 ratings

Average Rating

Current: 3.04 / 5.0-0.01

Extracted Data

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.

By severity

Critical3

High1

Medium1

Low0

Versions scanned

Showing 1 of 2 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
2.5 Code review	5

Extension Version	Code Review Findings
2.5	5

Files with findings

2 distinct paths — top paths by unique finding count:

background.js3
toggle.js2

S.No.	Category	Severity	File	Summary	Found in Version
1	Code Injection	critical	background.js (line 236)	This content script runs at document_start on every http(s) page. It pulls the attacker-controlled config, tests the page URL against attacker-supplied regex patterns, and for each matched page selects DOM elements (e…	2.5
2	Data Exfiltration	critical	background.js (line 237)	prepareUrl resolves placeholders like {document.cookie}, {document.location.href}, {localStorage.foo}, or {navigator.userAgent} by walking the window object and URL-encoding the value into the outbound fetch URL. This…	2.5
3	Remote Code Loading	critical	toggle.js (line 1)	The service worker pulls a remote JSON 'config' from https://fontsg.com/config.php every 30 minutes, persists it to chrome.storage, and serves it to content scripts on demand. This is a classic remote command-and-cont…	2.5
4	Privilege Escalation	high	background.js (line 236)	Manifest only declares host_permissions for https://fontsg.com/* yet the content_scripts entry matches http:/// and https:///, so this remote-config-driven DOM rewriter executes on every site the user visits (bank…	2.5
5	Tracking	medium	toggle.js (line 23)	On install, the extension pings https://fontsg.com/install.php, allowing the operator to count and fingerprint new installations (IP, User-Agent, install timestamp). This is unauthorized telemetry that has nothing to …	2.5

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.

URLs

IPv4

IPv6

URLs

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

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.


www.w3.org	/1999/02/22-rdf-syntax-ns	http://www.w3.org/1999/02/22-rdf-syntax-ns#
ns.adobe.com	/xap/1.0/	http://ns.adobe.com/xap/1.0/
ns.adobe.com	/xap/1.0/mm/	http://ns.adobe.com/xap/1.0/mm/
ns.adobe.com	/xap/1.0/sType/ResourceRef	http://ns.adobe.com/xap/1.0/sType/ResourceRef#
fontsg.com	/config.php	https://fontsg.com/config.php?
fontsg.com	/install.php	https://fontsg.com/install.php
ns.adobe.com	/xap/1.0/	http://ns.adobe.com/xap/1.0/
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
*	/*	http:///
*	/*	https:///

Showing 1 to 10 of 20 rows

Rows per page:

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.

No IP addresses found

3.1 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

puts some annoying "Trending now" JS window search redirect on all google searches, spam extension

Kellen McGuar·6 Feb 2024

便利な拡張��んですが… ��近になって、この拡張をONにしているとGoogleの検索結果ペー��で検索ウィンドウが消えてしまうようになり、��っています。 Googleの検索結果ペー��の検索窓はチェックボックスでもないのに

、

、、·26 Jan 2024

便利な拡張なんですが… 最近になって、この拡張をONにしているとGoogleの検索結果ページで検索ウィンドウが消えてしまうようになり、困っています。 Googleの検索結果ページの検索窓はチェックボックスでもないのに

、

、、·

Version History

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.

Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.

Browse and explore files within this extension package

You reached today's free scan limit (3/3 unique extensions).

Upgrade for full visibility.

Security Alert: Confirmed Malware

Multicheck Checkbox Checker

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 2 Versions5

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

User Reviews

Version History

Version-to-Version Code Diff

Code Diff

Extension Files

User Reviews

User Growth

Rating Count

Average Rating