Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: Adblock for Youtube™

CRITICAL RISKRemoved from Chrome Web Store

Adblock for Youtube™

ID: knbnchdchmokneeookicngoejkjjdcom

Could be malicious

Supported Languages

🇧🇩Bengali

🇧🇷Brazilian Portuguese

🇧🇬Bulgarian

🇪🇸Catalan

🇨🇳Chinese (Simplified)

🇹🇼Chinese (Traditional)

🇭🇷Croatian

🇨🇿Czech

🇩🇰Danish

🇳🇱Dutch

🇺🇸English

🇪🇪Estonian

🇵🇭Filipino

🇫🇮Finnish

🇫🇷French

🇩🇪German

🇬🇷Greek

🇮🇳Gujarati

🇮🇳Hindi

🇭🇺Hungarian

🇮🇩Indonesian

🇮🇹Italian

🇯🇵Japanese

🇰🇷Korean

🇱🇻Latvian

🇱🇹Lithuanian

🇲🇾Malay

🇮🇳Malayalam

🇮🇳Marathi

🇳🇴Norwegian

🇵🇱Polish

🇵🇹Portuguese

🇷🇴Romanian

🇷🇺Russian

🇷🇸Serbian

🇸🇰Slovak

🇸🇮Slovenian

🇪🇸Spanish

🇸🇪Swedish

🇮🇳Tamil

🇮🇳Telugu

🇹🇭Thai

🇹🇷Turkish

🇺🇦Ukrainian

🇻🇳Vietnamese

Extension Info & Metadata

Status

Removed

Version

1.2

Size

0.06 MB

Rating

3.8/5

Reviews

Users

413,664

Type

Extension

Updated

Apr 24, 2021

Publisher Contextual Analysis

Author: strelkovmark2View 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

413,664

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Removes ads from Youtube™.

The new high-quality ad blocking extension Adblock for Youtube™ is here. You can watch videos on YouTube calmly, without annoying ads. You can remove ads on every website and set the default to remove ads using the Youtube™ AdBlocker. All annoying ads will quickly disappear when you install our product. The AdBlocker add-on for Youtube ™ is completely free and takes up little space. We have made the most convenient interface to make it easy for you to use our extension. Hurry up and install AdBlock for Youtube™ and give it a try.

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

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By severity

Critical2

High3

Medium1

Low0

Versions scanned

Showing 1 of 3 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
1.0 Code review	6

Extension Version	Code Review Findings
1.0	6

Files with findings

3 distinct paths — top paths by unique finding count:

inster.js3
manifest.json2
chrome.js1

S.No.	Category	Severity	File	Summary	Found in Version
1	Phishing	critical	inster.js (line 15)	A full-screen semi-transparent overlay (z-index 9999999) is unconditionally injected into every webpage the user visits (`<all_urls>`), not just YouTube. The overlay is remotely toggled visible by the background scrip…	1.0
2	Phishing	critical	inster.js (line 1)	The background script sends the 'black' message to every active tab immediately when the extension popup is opened (via the 'background_ability' → background listener chain in chrome.js), causing the full-screen overl…	1.0
3	Phishing	high	chrome.js (line 42)	The background script ties overlay display state directly to popup open/close lifecycle events using 'background_ability' and disconnect listeners. Every time the extension popup is opened, the background sends 'black…	1.0
4	Remote Code Loading	high	manifest.json (line 12)	The manifest CSP explicitly whitelists `https://www.google-analytics.com` as a permitted script source, yet no Google Analytics code exists anywhere in the extension. An adblock extension has no legitimate need to loa…	1.0
5	Unauthorized Data Collection	high	manifest.json (line 16)	All content scripts are declared to match `<all_urls>` (every website), not just `://.youtube.com/*` as required by a YouTube adblock. `to_exec.js` and `to_fere.js` run at `document_start` with `all_frames: true`, i…	1.0
6	Obfuscation	medium	inster.js (line 15)	The identifier 'eldiratto_ripkoBG' is a nonsensical, deliberately obfuscated DOM element ID — inconsistent with any legitimate ad-blocking purpose and designed to avoid detection by name-based security scanners. Combi…	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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clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
www.google-analytics.com;	-	https://www.google-analytics.com;

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No IP addresses found

3.6 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

It is not an AdBlock program for YouTube. It is spyware that turns the search engine of Chrome browsers into Yahoo.

ZEVIN DO·1 May 2021

Friends, I cannot enter YouTube, help me. Please.

Roman B·29 Apr 2021

works

tyler tessier·28 Apr 2021

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

Adblock for Youtube™

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 3 Versions6

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