Security Alert: Confirmed Malware

This extension was removed from the Chrome Web Store as malware. Do not install it.Extension: Video Save mood

CRITICAL RISKRemoved from Chrome Web Store

Video Save mood

ID: kfdgidoaimofhlgcampfojemjhnbmioo

Could be malicious

Supported Languages

🇺🇸English

🇯🇵Japanese

🇪🇸Spanish

Extension Info & Metadata

Status

Removed

Version

3.0.1

Size

0.11 MB

Rating

5.0/5

Reviews

Users

7,033

Type

Extension

Updated

Nov 9, 2022

Publisher Contextual Analysis

Trusted

Author: Amarinao AgrigorevbView 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

7,033

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Video Save mood - It is an extension that helps you easily download media files from all sites for quick viewing on your PC. Main…

Video Save mood - It is an extension that helps you easily download media files from all sites for quick viewing on your PC. Main feature: - High download speed - Easy to use - Multi-file download - Large list of sites to download • Works with other extensions to download and does not take up much space on your device. For more information, please visit: https://justpaste.it/5xdds _______________________ Added supporting https://archive.org/details/movies Now you can download videos from more resources

User Growth

Showing data from Sep 11, 2022 to Dec 27, 2022

Versions

No change in user count

Compared to 3 months ago

3 versions released in this period

Rating Count

Total: 1 ratings

Average Rating

Current: 5.00 / 5.0+5.00

Extracted Data

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By severity

Critical4

High4

Medium2

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
2.0.1 Code review	10

Extension Version	Code Review Findings
2.0.1	10

Files with findings

2 distinct paths — top paths by unique finding count:

background.js7
content.js3

S.No.	Category	Severity	File	Summary	Found in Version
1	Data Exfiltration	critical	background.js (line 1)	A `chrome.alarms` ticker fires every minute and POSTs the active tab's title and URL to the remote C2 endpoints `byteweb.click/action` and `byteweb.click/floki`. The C2 then returns URLs/images/HTML that the extension…	2.0.1
2	Network Interception	critical	background.js (line 1)	The C2 response is treated as remote commands: arbitrary `images` URLs are silently fetched (likely click/conversion pixels) and an arbitrary `url` is dispatched to all open tabs to be auto-opened — both via the `time…	2.0.1
3	Phishing	critical	content.js (line 1)	Click hijacking: a listener is attached to `document.body` of every page so that the user's next click anywhere on the document triggers `window.open()` to a URL chosen by the remote server. The user's intentional cli…	2.0.1
4	Remote Code Loading	critical	content.js (line 1)	The content script accepts an `+html` message from the background service worker and injects the raw HTML payload (delivered by the remote C2 in `fetchData()`) into the active tab via `insertAdjacentHTML`. Because the…	2.0.1
5	Phishing	high	content.js (line 1)	Renders a full-page blur overlay (z-index 2147483646) that covers any visited site and overlays a "Remove blur" / "Report this ad" button. Removing the overlay or pressing the button drives the user toward the attacke…	2.0.1
6	Privilege Escalation	high	background.js (line 1)	On install the extension iterates every open tab and force-injects its content scripts via `chrome.scripting.executeScript` so the click-hijacking and HTML-injection plumbing is live without waiting for navigation. It…	2.0.1
7	Tracking	high	background.js (line 1)	Uses the `cookies` permission to read all cookies set on `tds.byteweb.click` and forwards them as part of the install attribution payload. This is the affiliate/partner attribution mechanism used by malvertising loade…	2.0.1
8	Unauthorized Data Collection	high	background.js (line 1)	On install the extension exfiltrates a browser fingerprint (user agent, locale list, timezone, screen height/width, app id, install datetime) plus all cookies from `tds.byteweb.click` to a remote server (`byteweb.clic…	2.0.1
9	Obfuscation	medium	background.js (line 1)	Custom obfuscation routine: base64-encode the data, then split and reverse the resulting string. Both query strings to the C2 (`/action`, `/floki`, `/sub/event`) and the JSON POST bodies are passed through this transf…	2.0.1
10	Tracking	medium	background.js (line 1)	Sets a `chrome.runtime.setUninstallURL` that fires a request to the C2 at uninstall time carrying the persistent `subid` (UUID) and the affiliate `utm_partner` cookie value, enabling churn tracking and partner attribu…	2.0.1

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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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chrome.google.com	/webstore	https://chrome.google.com/webstore
byteweb.click	-	https://byteweb.click
clients2.google.com	/service/update2/crx	https://clients2.google.com/service/update2/crx
*	-	https://*
*	-	http://*
http:	-	http://:
https:	-	https://:
player.vimeo.com	/video/$%7Bt.id.replace(	https://player.vimeo.com/video/${t.id.replace(
www.dailymotion.com	/player/metadata/video/$%7Bn%7D	https://www.dailymotion.com/player/metadata/video/${n}?app=com.dailymotion.neon&locale=en&client_type=website`
www.instagram.com${e}`;	-	https://www.instagram.com${e}`;

Showing 1 to 10 of 20 rows

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No IP addresses found

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

Video Save mood

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 Versions10

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

Version History

Version-to-Version Code Diff

Code Diff

Extension Files

User Growth

Rating Count

Average Rating