Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: A-blocker

CRITICAL RISKRemoved from Chrome Web Store

A-blocker

ID: jbbmlecgjpijkeelnebilpekpnkaoool

Could be malicious

Extension Info & Metadata

Status

Removed

Version

5.2.5

Size

0.33 MB

Rating

4.6/5

Reviews

204

Users

597,322

Type

Extension

Updated

Dec 12, 2020

Publisher Contextual Analysis

Author: Damien StewartView 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

597,322

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

Upgrade for full visibility.

Unstoppable adblocker

A-blocker is an unstoppable adblocker. We don’t have an “acceptable ads policy” or some other restrictions that our competitors have. We can‘t be bought by ad companies! A-blocker blocks media, video ads, context ads, pop-ups. Also, it blocks access to malicious websites and content.

User Growth

No data available

No user growth data available for this extension

Rating Count

No data available

No rating count data available for this extension

Average Rating

No data available

No rating data available for this extension

Extracted Data

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

Upgrade for full visibility.

By severity

Critical2

High4

Medium3

Low1

Versions scanned

Showing 2 of 3 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
5.2.4 Code review	4
5.2.3 Code review	6

Extension Version	Code Review Findings
5.2.4	4
5.2.3	6

Files with findings

4 distinct paths — top paths by unique finding count:

background.js6
popup.html2
content.js1
manifest.json1

S.No.	Category	Severity	File	Summary	Found in Version
1	Network Interception	critical	background.js (line 6)	This extension is an unauthorized rebrand of Adblock Plus (ABP) that routes ALL filter list subscriptions through the operator-controlled domain `rules.easyadblocker.com` instead of official EasyList/ABP CDNs. The ope…	5.2.3
2	Remote Code Loading	critical	background.js (line 198)	This code dynamically constructs a Google Tag Manager URL and appends a new DOM element in the persistent background page, effectively loading remote JavaScript into the extension at runtime. Loading server-controlled…	5.2.4
3	Code Injection	high	background.js (line 6)	The extension injects arbitrary `Content-Security-Policy` response headers into every main frame and sub-frame response across ALL websites, driven by CSP-type filter rules fetched from the operator-controlled `rules.…	5.2.3
4	Remote Code Loading	high	manifest.json (line 11)	The manifest explicitly permits remote script origins such as `googletagmanager.com` and `google-analytics.com` in the extension CSP, while also injecting content scripts into all HTTP(S) pages, all frames, and even `…	5.2.4
5	Remote Code Loading	high	background.js (line 6)	The extension periodically fetches a remote `notification.json` from `cdn.easyadblocker.com` (operator-controlled) and processes its payload into a notification queue. The notification objects support `urlFilters` (to…	5.2.3
6	Tracking	high	popup.html (line 1)	The popup HTML loads a font stylesheet from `http://allfont.ru` over unencrypted HTTP every time the user opens the extension popup. This is a Russian-hosted font CDN with no TLS, meaning every popup interaction leaks…	5.2.3
7	Code Injection	medium	content.js (line 1108)	The content script injects code into page contexts by calling `contentWindow.eval(...)` and monkey-patching frame accessors so the injection runs across nested frames and objects. This is an invasive code-injection pa…	5.2.4
8	Tracking	medium	background.js (line 6)	On uninstall, the extension sends a telemetry URL containing browser name, version, OS platform, platform version, and a bucketed notification download count to a remote server. This data is compiled and registered vi…	5.2.3
9	Unauthorized Data Collection	medium	background.js (line 6)	The extension intercepts response headers from ALL websites to harvest `x-adblock-key` values, recording them alongside page URLs and tab IDs into an internal key store. While nominally a sitekey whitelisting mechanis…	5.2.3
10	Tracking	low	popup.html (line 1)	The popup imports stylesheets from multiple third-party domains, including an insecure plain-HTTP source (`allfont.ru`). Each popup open leaks extension usage to those services, and remote/insecure UI dependencies cre…	5.2.4

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.


rules.easyadblocker.com	/easylist.txt	https://rules.easyadblocker.com/easylist.txt
easylist.to	-	https://easylist.to/
rules.easyadblocker.com	/abpindo+easylist.txt	https://rules.easyadblocker.com/abpindo+easylist.txt
abpindo.blogspot.com	-	http://abpindo.blogspot.com/
rules.easyadblocker.com	/abpvn+easylist.txt	https://rules.easyadblocker.com/abpvn+easylist.txt
abpvn.com	-	http://abpvn.com/
rules.easyadblocker.com	/bulgarian_list+easylist.txt	https://rules.easyadblocker.com/bulgarian_list+easylist.txt
stanev.org	/abp/	http://stanev.org/abp/
rules.easyadblocker.com	/easylistchina+easylist.txt	https://rules.easyadblocker.com/easylistchina+easylist.txt
abpchina.org	/forum/	http://abpchina.org/forum/

Showing 1 to 10 of 70 rows

Rows per page:

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

Upgrade for full visibility.

No IP addresses found

3.7 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

The Ad Blocker works for a 1-2 weeks, but then, it just stops working.

danfale·14 Mar 2021

its good for youtube but it doesnt work for crunchyroll

Nasra Bottan·14 Mar 2021

trash does not work at all

Ricky Wilkin·14 Mar 2021

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

A-blocker

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 3 Versions10

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 Growth

Rating Count

Average Rating

User Reviews