Security Alert: Confirmed Malware

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

CRITICAL RISKRemoved from Chrome Web Store

Adblock for Youtube - ad blocker tool

ID: lagdcjmbchphhndlbpfajelapcodekll

Could be malicious

Supported Languages

🇧🇷Brazilian Portuguese

🇪🇸Catalan

🇨🇿Czech

🇳🇱Dutch

🇺🇸English

🇫🇷French

🇩🇪German

🇮🇹Italian

🇯🇵Japanese

🇳🇴Norwegian

🇵🇱Polish

🇷🇺Russian

🇪🇸Spanish

🇸🇪Swedish

🇹🇷Turkish

🇺🇸US English

Extension Info & Metadata

Status

Removed

Version

1.4.4

Size

0.05 MB

Rating

3.9/5

Reviews

1,614

Users

800,000

Type

Extension

Updated

Jan 28, 2025

Publisher Contextual Analysis

Author: adsSkip App.View Profile
Privacy: Privacy Policy
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

800,000

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Adblock - block any ads on Youtube videos. Adblock removes all types of ads. Ad blocker for Chrome

Adblock for YouTube removes ads and enhances your video watching experience. You don't have to sit through un skippable pre-roll ads. Unlike other ad blockers, extension lets you filter ads and even allow ads on individual channels to support the YouTubers you love. Looking for an ad blocker that not only blocks annoying ads but also protects you from online threats? Look no further than Adblock, the ultimate adblocker solution! Our powerful tool effectively blocks all types of ads, including video ads, rich media ads, pop-ups, banners, and text ads. How to Install extension? - Sign in to the Google search engine. - Type “Chrome Store” in the search bar. - Log in to the “Google Chrome Web” that comes up. Type “Adblock” in the search field on the left. Choose one of the results you come across. - Just click on the “Add for Chrome” link on the page that opens. Adblock Tool ads, pop-ups & fight malware! Lets you skip over sponsors, intro, subscription reminders, and other annoying parts of YouTube videos. Ad skip made for Chrome browser to block all ads that are appearing on start when watching tube videos. Why is the best ad block? - Easy setup makes it simple to install, and you can disable the block at any time. - Get rid of annoying pre-roll, mid-roll, and other video ads that interrupt what you are trying to watch. - Don’t let your videos get interrupted by intrusive ads. Block them before they even pop up with the best video ad blocker protection. Want to stop all video ads in a matter of seconds? What to do if extension doesn't work? For the extension to work correctly, please make sure that you have turned off such ad blockers that can affect the functioning of one another! Detect and skip YouTube sponsor segments. “This video was sponsored by…” SKIP IT. Warning YouTube is a trademark of Google LLC. Use of this trademark is subject to Google Permissions. Adblock for YouTube cooperates with Natutti LTD By installing our extension you agree to our internal Privacy Policy and also automatically agree to the Privacy Policy and Terms of Use of the Natutti platform https://natutti.net/privacy-policy.html https://natutti.net/terms-of-use.html We hope you find our tool useful! We are waiting for your feedback and ratings! If you’re experiencing problems or isn't working on, please contact us.

User Growth

Showing data from Jan 01, 2022 to Jan 12, 2023

Versions

No change in user count

Compared to 3 months ago

2 versions released in this period

Rating Count

Total: 294 ratings+2 (1%)

Average Rating

Current: 3.34 / 5.0+0.24

Extracted Data

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By severity

Critical1

High6

Medium4

Low0

Versions scanned

Showing 2 of 15 scanned versions with more than one unique finding. Counts are unique findings that include each version.

Extension Version	Code Review Findings
1.2.2 Code review	5
1.2.1 Code review	6

Extension Version	Code Review Findings
1.2.2	5
1.2.1	6

Files with findings

5 distinct paths — top paths by unique finding count:

manifest.json4
background.js2
youtube.js2
yt.js2
popup/popup.js1

S.No.	Category	Severity	File	Summary	Found in Version
1	Network Interception	critical	background.js (line 2)	A blocking `onHeadersReceived` listener is registered for ALL URLs with full access to read and modify every HTTP response header for every website the user visits. The listener currently returns headers unchanged, bu…	1.2.1
2	Code Injection	high	youtube.js (line 9)	The content script serializes internal functions into a string and injects them into the page as executable script. Injecting code into the page context is a high-risk pattern because it bypasses the normal isolation …	1.2.2
3	Code Injection	high	youtube.js (line 91)	This watches the DOM for newly added `<script>` elements and rewrites their source text before execution. Live modification of page scripts is an aggressive code-tampering technique and would be suspicious in many ext…	1.2.2
4	Code Injection	high	manifest.json (line 27)	The extension's own CSP explicitly whitelists `unsafe-eval`, allowing `eval()`, `new Function()`, and `setTimeout(string)` within extension pages, and sets `connect-src *` to permit network requests to any external ho…	1.2.1
5	Code Injection	high	yt.js (line 9)	The content script dynamically assembles a JavaScript string (including a value sourced from extension storage) and injects it as a `<script>` element into the host page's `<head>`. This executes the injected code in …	1.2.1
6	Code Injection	high	yt.js (line 96)	A MutationObserver monitors the entire document body for any dynamically added `<script>` elements, reads their `textContent`, and rewrites it. Modifying the text content of a script element after it is added to the D…	1.2.1
7	Privilege Escalation	high	manifest.json (line 14)	The content script `yt.js` is injected into every frame on every website (`<all_urls>`) at the earliest possible moment (`document_start`), before the page's own DOM or scripts load. A YouTube video quality extension …	1.2.1
8	Code Injection	medium	popup/popup.js (line 28)	The popup dynamically injects raw code strings into matching tabs with `chrome.tabs.executeScript`. Runtime string-based injection is a risky pattern because the executed payload is not statically isolated and can be …	1.2.2
9	Network Interception	medium	background.js (line 3844)	This registers a blocking `onHeadersReceived` listener for every URL the browser loads. It currently returns headers unchanged, but it still grants the extension a privileged interception point over all network respon…	1.2.2
10	Other	medium	manifest.json (line 4)	The extension asks for a high-risk capability set: a persistent background page, content-script execution on every URL at `document_start`, tab access, and blocking webRequest privileges. The CSP also permits `unsafe-…	1.2.2
11	Other	medium	manifest.json (line 30)	The extension is published as 'Adblock for Youtube - ad blocker tool' with 800,000 users, but the entire codebase contains zero ad-blocking logic — no filter lists, no network request cancellation, no DOM element remo…	1.2.1

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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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www.w3.org	/1999/02/22-rdf-syntax-ns	http://www.w3.org/1999/02/22-rdf-syntax-ns#
ns.adobe.com	/photoshop/1.0/	http://ns.adobe.com/photoshop/1.0/
ns.adobe.com	/tiff/1.0/	http://ns.adobe.com/tiff/1.0/
ns.adobe.com	/xap/1.0/	http://ns.adobe.com/xap/1.0/
purl.org	/dc/elements/1.1/	http://purl.org/dc/elements/1.1/
ns.adobe.com	/xap/1.0/mm/	http://ns.adobe.com/xap/1.0/mm/
ns.adobe.com	/xap/1.0/sType/ResourceEvent	http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
ns.adobe.com	/xap/1.0/sType/ResourceRef	http://ns.adobe.com/xap/1.0/sType/ResourceRef#
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
chrome.google.com	/webstore/detail/sponsorskip-for-youtube-s/lagdcjmbchphhndlbpfajelapcodekll/reviews	https://chrome.google.com/webstore/detail/sponsorskip-for-youtube-s/lagdcjmbchphhndlbpfajelapcodekll/reviews

Showing 1 to 10 of 20 rows

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No IP addresses found

2.3 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

It's not working on YT

Raul Rodriguez·30 Jan 2025

не работает

Anonymous·28 Jan 2025

（機能が）利いていません

鳥

鳥のジョン·25 Jan 2025

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 - ad blocker tool

Supported Languages

Extension Info & Metadata

Publisher Contextual Analysis

Chrome Web Store Metadata

Screenshots & Videos

About this extension

Analytics & Metrics

User Growth

Rating Count

Average Rating

Static Code Security Analysis

Extracted Data

Code Review Findings Summary Across 15 Versions11

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