Security Alert: Confirmed Malware

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

CRITICAL RISKRemoved from Chrome Web Store

VideoPortalSaving

ID: ljdibpbljaijjljlcloopmbebchmnhkj

Could be malicious

Supported Languages

🇺🇸English

🇯🇵Japanese

🇪🇸Spanish

Extension Info & Metadata

Status

Removed

Version

0.0.0.1

Size

0.09 MB

Rating

3.0/5

Reviews

Users

53,329

Type

Extension

Updated

Dec 29, 2022

Publisher Contextual Analysis

Author: Stephen MoralesView 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

53,329

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

Upgrade for full visibility.

We did what many wrote down. We consider VideoPortalSaving - an extension that allows you to download your favorite videos in two…

We did what many wrote down. We consider VideoPortalSaving - an extension that allows you to download your favorite videos in two clicks. With our extension, you can enjoy your favorite videos on your next PC without Internet. All you need to do is install the extension on demand, wait for it to load, open your favorite video site (the extension above support almost all social networks: Vimeo, Tik-Tok, Instagram, Facebook, VK, Dailymotion) and download your favorite video. You do not need registration or complex manipulation - videos are downloaded in just two clicks. If you have suggestions for expanding our work, design improvements and other tips.

User Growth

Showing data from Dec 30, 2022 to Feb 27, 2023

Versions

No change in user count

Compared to 2 months ago

1 version released in this period

Rating Count

Total: 4 ratings

Average Rating

Current: 3.00 / 5.0+3.00

Extracted Data

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

Upgrade for full visibility.

By severity

Critical8

High4

Medium2

Low0

Versions scanned

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

Extension Version	Code Review Findings
0.0.0.1 Code review	14

Extension Version	Code Review Findings
0.0.0.1	14

Files with findings

5 distinct paths — top paths by unique finding count:

background.js10
js/scripts/content.js1
scripts/handlers/download.js1
scripts/handlers/s-content.js1
scripts/replacer.js1

S.No.	Category	Severity	File	Summary	Found in Version
1	Code Injection	critical	js/scripts/content.js (line 1)	Content script receives raw HTML from the background (ultimately from the remote C2) and injects it into the top of document.body on any page. Combined with <all_urls>, this permits arbitrary page overlays / phishing …	0.0.0.1
2	Data Exfiltration	critical	background.js (line 1)	Every minute (via the 'ticker' alarm) the extension exfiltrates the titles and URLs of the user's active tabs to videoportalsaving.cloud. Payloads are obfuscated via base64+reverse encoding. This is broad browsing-his…	0.0.0.1
3	Network Interception	critical	background.js (line 1)	The server can return arbitrary URLs which the extension silently navigates muted background tabs to, and it installs click-listeners on every tab so the next user click opens a server-supplied URL in a new tab. This …	0.0.0.1
4	Network Interception	critical	scripts/replacer.js (line 1)	On every page the extension scans for Google ad containers ([data-google-container-id]) and replaces their contents with images/URLs fetched from the attacker's backend (via the 'banner' runtime message -> fetchBanner…	0.0.0.1
5	Network Interception	critical	scripts/handlers/s-content.js (line 1)	Search-engine hijacker. Host names are obfuscated as concatenated char-codes (e.g. 'www.google.com' -> '119119119461031111111031081014699111109'); when the user is on google.com/yandex.ru/duckduckgo/bing the script hi…	0.0.0.1
6	Privilege Escalation	critical	background.js (line 1)	On install, the extension forcibly injects content scripts into every open tab across every origin (<all_urls>) via chrome.scripting.executeScript. It also hard-codes a C2 domain (videoportalsaving.cloud) used for com…	0.0.0.1
7	Remote Code Loading	critical	background.js (line 1)	Server-supplied HTML (from the /floki endpoint) is pushed into live web pages via chrome.tabs.sendMessage and injected with document.body.insertAdjacentHTML in the content script. This is arbitrary, remotely-controlle…	0.0.0.1
8	Remote Code Loading	critical	background.js (line 1)	Fetches a remote text response from /priest and stores it as 'url' in chrome.storage.sync. That stored 'url' is what the s-content.js search-hijacker prepends to user queries — i.e. the attacker can dynamically rotate…	0.0.0.1
9	Network Interception	high	background.js (line 1)	After opening a hidden, muted background tab to an attacker URL, the extension switches focus back to the previous tab and silently closes the hidden tab 5 seconds after it finishes loading. This is deliberate stealth…	0.0.0.1
10	Obfuscation	high	background.js (line 1)	Allow-list of campaign-source identifiers (porn/torrent/adult-site host names and similar) is stored as char-code-concatenated strings and compared via toNumber(). This hides the malware's target affiliate/campaign li…	0.0.0.1
11	Tracking	high	background.js (line 1)	Uses the 'cookies' permission to harvest cookies from tds.videoportalsaving.cloud (the affiliate/tracking subdomain) and forwards them back to the C2 as installParams. This repurposes the cookies permission to track/m…	0.0.0.1
12	Unauthorized Data Collection	high	background.js (line 1)	On install, exfiltrates a detailed device fingerprint (user agent, timezone, language list, app id, affiliate cookies, store-page query string) to the C2 for attribution. Combined with setUninstallEvent, every lifecyc…	0.0.0.1
13	Obfuscation	medium	background.js (line 1)	Custom payload obfuscation (reversed base64) used for every outbound request body/query parameter, and char-code string encoding for domain/campaign lookup tables. Both are designed to evade static scanning and make n…	0.0.0.1
14	Obfuscation	medium	scripts/handlers/download.js (line 1)	Dead-code 'beacon' integers sprinkled through every source file (different set per file) are a watermarking / signature-evasion pattern typical of malware families repackaged under many Chrome Web Store identities. Th…	0.0.0.1

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.


chrome.google.com	/webstore	https://chrome.google.com/webstore
videoportalsaving.cloud	-	https://videoportalsaving.cloud
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.instagram.com${e}`;	-	https://www.instagram.com${e}`;
www.facebook.com	/video/video_data_	https://www.facebook.com/video/video_data_

Showing 1 to 10 of 20 rows

Rows per page:

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

Upgrade for full visibility.


0.0.0.1	IPv4	-

1.0 out of 5 · 1 most recent review

Text reviews

Positive

Negative

this extension does not work at all

Larry Flynt·25 Jan 2023

Version History

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

VideoPortalSaving

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 1 Version14

Versions scanned

Files with findings

Extracted Indicators (URLs and IPs)

URLs

Contextual Analysis

User Reviews

Version History

Version-to-Version Code Diff

Extension Files

User Reviews

User Growth

Rating Count

Average Rating