Is "Youtube Zen" on Firefox Add-ons Safe to Install?

Zackyization · firefox · v1.0.3

Save precious time by removing distracting elements on Youtube! Elements that can be removed are as follows: - Home page suggestions - Watch page suggestions - Comments - In-video suggestions This extension is open source! Check out the source code here: https://github.com/Zackyization/youtube-zen I am not affiliated with YouTube or an official extension. This extension is independently developed for use with Youtube.

Risk Assessment

Analyzed
49.76
out of 100
MEDIUM

41 security findings detected across all analyzers

Firefox extension requesting 3 permissions

Severity Breakdown

0
Critical
15
High
26
Medium
0
Low
0
Info

Finding Categories

15
Malware Signatures
24
IoC Indicators

YARA Rules Matched

4 rules(15 hits)
postinstall file manipulation postinstall network communication postinstall system command postinstall environment access

Requested Permissions

3 permissions
tabs
Medium
*://*.youtube.com/*
Low
storage
Low

About This Extension

Save precious time by removing distracting elements on Youtube! Elements that can be removed are as follows: - Home page suggestions - Watch page suggestions - Comments - In-video suggestions This extension is open source! Check out the source code here: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/0b9befc076c9b294ab8a073a18144dec411b0356b4c96817205595fb2301b51b/https%3A//github.com/Zackyization/youtube-zen" rel="nofollow">https://github.com/Zackyization/youtube-zen</a> I am not affiliated with YouTube or an official extension. This extension is independently developed for use with Youtube.

Detailed Findings

16 total

YARA Rule Matches

4 rules

Indicators of Compromise

Network indicators, suspicious strings, and potential IoCs extracted during analysis

URLs
7
IP Addresses
2
Domains
16
Strings
24

All Indicators · 24

URL
detected URL: http://www.inkscape.org/namespaces/inkscape

XIOC detected URL: http://www.inkscape.org/namespaces/inkscape

extracted_from_files

Domain
detected Domain: youtube.com

XIOC detected Domain: youtube.com

extracted_from_files

URL
detected URL: http://www.inkscape.org/)

XIOC detected URL: http://www.inkscape.org/)

extracted_from_files

Domain
detected Domain: readme.md

XIOC detected Domain: readme.md

extracted_from_files

URL
detected URL: http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd

XIOC detected URL: http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd

extracted_from_files

URL
detected URL: http://www.w3.org/2000/svg

XIOC detected URL: http://www.w3.org/2000/svg

extracted_from_files

Domain
detected Domain: t2f631bf2620dc0657221ce438928b7c0.e4c2103775ec220a632c47683c8f99e1.addons.mozilla.org

XIOC detected Domain: t2f631bf2620dc0657221ce438928b7c0.e4c2103775ec220a632c47683c8f99e1.addons.mozilla.org

extracted_from_files

IP
detected Domain: sodipodi.sourceforge.net

XIOC detected Domain: sodipodi.sourceforge.net

extracted_from_files

Domain
detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain
detected Domain: evt.target.id

XIOC detected Domain: evt.target.id

extracted_from_files

Domain
detected Domain: fonts.googleapis.com

XIOC detected Domain: fonts.googleapis.com

extracted_from_files

Domain
detected Domain: targettoggle.id

XIOC detected Domain: targettoggle.id

extracted_from_files

Domain
detected Domain: evt.target.name

XIOC detected Domain: evt.target.name

extracted_from_files

Domain
detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Domain
detected Domain: mozilla.com

XIOC detected Domain: mozilla.com

extracted_from_files

Domain
detected Domain: addons.mozilla.org

XIOC detected Domain: addons.mozilla.org

extracted_from_files

Domain
detected Domain: content-signature.mozilla.org

XIOC detected Domain: content-signature.mozilla.org

extracted_from_files

Domain
detected Domain: github.com

XIOC detected Domain: github.com

extracted_from_files

URL
detected URL: http://addons.mozilla.org/ca/crl.pem0N

XIOC detected URL: http://addons.mozilla.org/ca/crl.pem0N

extracted_from_files

Domain
detected Domain: tab.id

XIOC detected Domain: tab.id

extracted_from_files

Hash
detected MD5 Hash: e4c2103775ec220a632c47683c8f99e1

XIOC detected MD5 Hash: e4c2103775ec220a632c47683c8f99e1

extracted_from_files

URL
detected URL: https://fonts.googleapis.com/css2?family=Roboto:wght@500&display=swap');

XIOC detected URL: https://fonts.googleapis.com/css2?family=Roboto:wght@500&display=swap');

extracted_from_files

URL
detected URL: https://github.com/Zackyization/youtube-zen

XIOC detected URL: https://github.com/Zackyization/youtube-zen

extracted_from_files

Domain
detected Domain: www.inkscape.org

XIOC detected Domain: www.inkscape.org

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Youtube Zen is a Firefox Add-ons extension published by Zackyization. Version 1.0.3 has been analyzed by the Risky Plugins security platform, receiving a risk score of 49.76/100 (MEDIUM risk) based on 41 security findings.

Risk Assessment

This extension presents moderate security risk. Several findings were detected that may warrant attention. Users should carefully review the permissions and findings before installation.

Findings Breakdown

  • High: 15 finding(s)
  • Medium: 26 finding(s)

What Was Analyzed

The security assessment covers multiple analysis categories:

  • Malware Detection: YARA rule matching against 2,400+ malware signatures
  • Secret Detection: Scanning for exposed API keys, tokens, and credentials
  • Static Analysis: Code-level security analysis for common vulnerability patterns
  • Network Analysis: Detection of suspicious network communications and endpoints
  • Obfuscation Detection: Identification of code obfuscation techniques

Developer Information

Youtube Zen is published by Zackyization on the Firefox Add-ons marketplace. The extension has approximately 7 users.

Recommendation

Exercise caution with this extension. Review the detailed findings and ensure the requested permissions align with the extension's stated functionality before installation.

Frequently Asked Questions