Security Alert: Confirmed Malware

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

CRITICAL RISKRemoved from Chrome Web Store

Pro Loading PLUS

ID: pfjcgfbnbobikagpnokgponileceobmn

Could be malicious

Supported Languages

🇺🇸English

🇯🇵Japanese

🇪🇸Spanish

Extension Info & Metadata

Status

Removed

Version

4.0.0

Size

0.11 MB

Rating

5.0/5

Reviews

Users

16,313

Type

Extension

Updated

Dec 6, 2022

Publisher Contextual Analysis

Trusted

Author: Pro Loading PLUSView 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

16,313

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Pro Loading PLUS - this extension comes to help when you need to download some media. You can download any video from different…

Pro Loading PLUS - this extension comes to help when you need to download some media. You can download any video from different social media and video hosting. Distinctive features: fast loading speed, simple interface and auto-search for files. Click on the extension and it will show you the list of videos to download. In the new update, we have added even more video download sites. Write to us in the reviews what can be improved in the extension, what sites to add more. We will be glad to hear your opinion!

User Growth

Showing data from Jun 27, 2022 to Feb 26, 2023

Versions

-16.9%(-3,317 users)

Compared to 3 months ago

2 versions released in this period

Rating Count

Total: 3 ratings

Average Rating

Current: 5.00 / 5.0+5.00

Extracted Data

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By severity

Critical0

High4

Medium4

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
1.4.1 Code review	8

Extension Version	Code Review Findings
1.4.1	8

Files with findings

2 distinct paths — top paths by unique finding count:

background.js6
manifest.json2

S.No.	Category	Severity	File	Summary	Found in Version
1	Privilege Escalation	high	background.js (line 1)	On first install the extension iterates every currently-open tab and injects content scripts (tubes.js and a content.js that is not even shipped in the bundle) into all of them via chrome.scripting.executeScript with …	1.4.1
2	Tracking	high	manifest.json (line 32)	The manifest hijacks the user's default search engine to redirect all browser searches through loadingtech.click, an attacker-controlled monetization domain. Search hijacking is a hallmark of adware/PUP behavior and e…	1.4.1
3	Tracking	high	background.js (line 1)	Reads all cookies from the third-party tracking subdomain tds.loadingtech.click using the cookies permission, packs them into URL-encoded key/value pairs and includes them in the install payload sent to the C2 endpoin…	1.4.1
4	Unauthorized Data Collection	high	background.js (line 1)	On install, the extension exfiltrates a fingerprinting payload (app version, full User-Agent, timezone, browser languages, app name, runtime ID, screen dimensions, and install datetime) to loadingtech.click. The paylo…	1.4.1
5	Obfuscation	medium	background.js (line 1)	Custom obfuscation routine that base64-encodes data and reverses the resulting string. There is no legitimate reason to obfuscate telemetry; this is used to hide the exfiltrated install/uninstall fingerprint payload f…	1.4.1
6	Privilege Escalation	medium	manifest.json (line 25)	The content script tubes.js is injected into every page on every site at document_start. Combined with <all_urls> host permissions and the extension's network-bound install handler, this provides early-execution capab…	1.4.1
7	Tracking	medium	background.js (line 1)	Registers an uninstall URL that fires an obfuscated tracking beacon containing a persistent UUID (subid) and the affiliate utm_partner cookie when the user uninstalls. This silently reports uninstall events with attri…	1.4.1
8	Unauthorized Data Collection	medium	background.js (line 1)	Scans every open tab URL to find the Chrome Web Store referrer query string and forwards it to the C2 server as part of the install attribution payload. This leaks browsing context (which CWS page the user came from, …	1.4.1

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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
loadingtech.click	-	https://loadingtech.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

Pro Loading PLUS

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 Versions8

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