Security Alert: Confirmed Malware

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

CRITICAL RISKRemoved from Chrome Web Store

Crystal Blocker

ID: ehhgaobakclpaachikjhcpelknghhbfh

Could be malicious

Supported Languages

🇳🇱Dutch

🇺🇸English

🇫🇷French

🇩🇪German

🇮🇹Italian

🇪🇸Spanish

Extension Info & Metadata

Status

Removed

Version

2.0.0

Size

1.95 MB

Rating

4.6/5

Reviews

Users

87,940

Type

Extension

Updated

Aug 5, 2023

Publisher Contextual Analysis

Trusted

Author: vaceslavakscyssovView Profile
Privacy: Privacy Policy
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes
Website: Visit

Total Extensions

Active

Obsolete

Listed

Unlisted

Total Users

87,940

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CrystalBlocker will help you to easily get rid of annoying ads and you can use it just in one click

CrystalBlocker will help you to easily get rid of annoying ads and you can use it just in one click. If you use a CrystalBlocker, then you will no longer see ads. This extension supports all the most popular sites and absolutely cleans them of obnoxious content. We will be glad if you help us to improve our extension. Write to [email protected]

User Growth

Showing data from Apr 14, 2023 to Sep 06, 2023

Versions

+52.26%(+30,185 users)

Compared to 3 months ago

2 versions released in this period

Rating Count

Total: 59 ratings

Average Rating

Current: 4.59 / 5.0-0.06

Extracted Data

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By severity

Critical1

High2

Medium0

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
1.1.0 Code review	3

Extension Version	Code Review Findings
1.1.0	3

Files with findings

3 distinct paths — top paths by unique finding count:

blockingLogic.js1
contentScripts.js1
videoAdBlock.js1

S.No.	Category	Severity	File	Summary	Found in Version
1	Remote Code Loading	critical	contentScripts.js (line 105)	The extension dynamically constructs JavaScript strings from rules (which can be remotely fetched) and injects them directly into the page's DOM via a new <script> tag's innerHTML. This enables Remote Code Execution (…	1.1.0
2	Code Injection	high	blockingLogic.js (line 234)	The extension injects additional script files into the host page context by creating a <script> tag with a chrome-extension:// URL. This executes code in the main world context, bypassing standard content script isola…	1.1.0
3	Network Interception	high	videoAdBlock.js (line 87)	The script intercepts and modifies native browser APIs (JSON.parse and Response.prototype.json) by wrapping them in Proxies. This allows the extension to arbitrarily alter API response data processed by the web page, …	1.1.0

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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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github.com	/facebook/regenerator/blob/main/LICENSE	https://github.com/facebook/regenerator/blob/main/LICENSE
api.crystal-blocker.com	-	https://api.crystal-blocker.com
chrome.google.com	/webstore/*	https://chrome.google.com/webstore/*
microsoftedge.microsoft.com	/addons/*	https://microsoftedge.microsoft.com/addons/*
crystal-blocker.com	/*	https://crystal-blocker.com/*
crystal-blocker.com	-	https://crystal-blocker.com
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
*	/*	http:///
*	/*	https:///
www.w3.org	/1999/xlink	http://www.w3.org/1999/xlink

Showing 1 to 10 of 20 rows

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No IP addresses found

4.6 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

I had no choice but to download this despite already having an ad blocker because the pop up covered every website I tried to open with no exit button.

Jackson Dang·29 Jul 2023

excellent extension for annoying ads

Jheison Chavez Enriquez·7 Nov 2022

I was looking for an ad blocker that does what it claims from long time now. Finally my search ends here. This is a very good extension.

Asmita Bose·

Version History

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Code Diff

Compare extension code between any two versions.

0 changed files detected

No comparable text files found between these versions.

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Browse and explore files within this extension package

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Security Alert: Confirmed Malware

Crystal Blocker

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 Versions3

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