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Version 0.4.8 View in Chrome Web Store

Last scanned: about 3 hours ago

Extension Details

Developer: more4pro.xyz

Rating: 4.0 ★ (671 ratings)

Users: 20,000

Context-Aware Verdict

CRITICAL

Overall Risk

Trust Factors:

The extension has a moderate user base of 20,000 users and a decent 4.0 rating from 671 reviews, suggesting some level of community acceptance. However, the developer "more4pro.xyz" appears to be relatively unknown with limited reputation information available. The extension's purpose is to bypass YouTube throttling, which operates in a legal gray area and may violate YouTube's terms of service.

Concerns:

The extension's permission set is extremely concerning for its stated purpose. The proxy permission allows complete control over network traffic routing, while webRequest enables interception and modification of all web requests. Combined with broad host permissions covering all websites, this creates a perfect surveillance and data theft setup. The cookies permission adds another layer of privacy risk by allowing access to authentication tokens and session data across all sites. These permissions far exceed what would be necessary for simply speeding up YouTube playback.

Recommendations:

Do not install this extension. If YouTube speed is genuinely an issue, use official YouTube Premium or legitimate network optimization tools. If you absolutely must test this extension, create a completely isolated Chrome profile with no saved passwords, logged-out of all accounts, and consider using a VPN. The permission combination suggests potential malware disguised as a YouTube optimization tool. The risks of data theft, traffic interception, and privacy violation are extremely high.

Findings

HIGH

Broad Host Permissions

This extension has broad host permissions allowing it to access many or all websites. This could potentially be used to steal sensitive data or track browsing activity.

HIGH

High-Risk Permission: cookies

This extension has the cookies permission. Can access and modify browser cookies. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: proxy

This extension has the proxy permission. Can control proxy settings. This could potentially be used maliciously to compromise security or privacy.

HIGH

High-Risk Permission: webRequest

This extension has the webRequest permission. Can intercept and modify web requests. This could potentially be used maliciously to compromise security or privacy.

MEDIUM

Medium-Risk Permission: storage

This extension has the storage permission. Can store data locally.

Security Analysis Details

Required Permissions:

proxy
storage
webRequest
webRequestAuthProvider
alarms
cookies
windows

Host Permissions:

<all_urls>

Embedded URLs (26 total):

https://stats.srvpro.xyz/api/v1	https://more4pro.xyz/install
https://more4pro.xyz/uninstall	https://hooly.info
https://ext.troywell.org/api/vpn/ip	https://ext.troywell.org/api/vpn/connect/
https://extapi.flame-vpn.com/api/chrome/auth-user	https://extapi.flame-vpn.com/api/chrome/proxy-list
https://extapi.flame-vpn.com/api/chrome/proxy-credentials	https://api.srvpro.xyz/oneclick
https://raw.githubusercontent.com/vpn-naruzhu/public/main/uboost-extension	https://api.ipify.org?format=json
https://1clickvpn.net/api/v1/servers/	https://l.srvpro.xyz/network-manager
https://gitlab.com/hablow/xyz/-/raw/main/app.json	http://www.w3.org/2000/svg
https://alpinejs.dev/advanced/csp	https://alpinejs.dev/plugins/
https://youtube.com	https://chromewebstore.google.com/detail/boost-youtube-speed-fix-y/gagalembdijfidddhaajmgfookbakolp/reviews
https://t.me/youtubik_boost	https://t.me/Youtubik_Support
https://t.me/Youtubik_Boost	https://www.gosuslugi.ru/
https://clients2.google.com/service/update2/crx	http://www.w3.org/1999/xlink

Raw Manifest

{
  "name": "__MSG_appName__",
  "icons": {
    "16": "imgs/youtubik16.png",
    "48": "imgs/youtubik48.png",
    "128": "imgs/youtubik128.png"
  },
  "action": {
    "default_icon": {
      "16": "imgs/youtubik16_grey.png",
      "48": "imgs/youtubik48_grey.png",
      "128": "imgs/youtubik128_grey.png"
    },
    "default_popup": "index.html"
  },
  "version": "0.4.8",
  "background": {
    "type": "module",
    "service_worker": "service-worker-loader.js"
  },
  "update_url": "https://clients2.google.com/service/update2/crx",
  "description": "__MSG_appDesc__",
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestAuthProvider",
    "alarms",
    "cookies",
    "windows"
  ],
  "default_locale": "ru",
  "host_permissions": [
    "<all_urls>"
  ],
  "manifest_version": 3
}

by ✦ Astarte

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Extension Details

Context-Aware Verdict

Findings

Security Analysis Details

Required Permissions:

Host Permissions:

Embedded URLs (26 total):

Raw Manifest

Detections

Manifest Findings