Is "Looop" on Firefox Add-ons Safe to Install?

weaving · firefox · v0.2

Loop your favorite parts of songs and videos. Usage Right click anywhere Select "Looop". A toolbar will appear on the bottom Click "Start" Select loop start time in the video player Click "End" Select loop end time in the video player Click "Apply" To remove loop, click "Clear" Report issues on Github

Risk Assessment

Analyzed
48.62
out of 100
MEDIUM

16 security findings detected across all analyzers

Firefox extension requesting 3 permissions

Severity Breakdown

0
Critical
4
High
12
Medium
0
Low
0
Info

Finding Categories

4
Malware Signatures
11
IoC Indicators

YARA Rules Matched

2 rules(4 hits)
postinstall file manipulation postinstall network communication

Requested Permissions

3 permissions
<all_urls>

Access and modify data on every website you visit

Dangerous
tabs
Medium
contextMenus
Low

About This Extension

Loop your favorite parts of songs and videos. <b>Usage</b> <ul> <li>Right click anywhere</li> <li>Select "Looop". A toolbar will appear on the bottom</li> <li>Click "Start"</li> <li>Select loop start time in the video player</li> <li>Click "End"</li> <li>Select loop end time in the video player</li> <li>Click "Apply"</li> <li>To remove loop, click "Clear"</li></ul> <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/2124a35ad74e7d32eebc49aa11f0e0e37081f8ae65219322e97ca429093a1363/https%3A//github.com/chemtrails/looop" rel="nofollow">Report issues on Github</a>

Detailed Findings

5 total

YARA Rule Matches

2 rules

Indicators of Compromise

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

URLs
1
IP Addresses
1
Domains
8
Strings
11

All Indicators · 11

IP
detected IP: e::

XIOC detected IP: e::

extracted_from_files

Domain
detected Domain: e.target

XIOC detected Domain: e.target

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

Hash
detected MD5 Hash: b17fddb7d2ce627385bbfa48976f89b7

XIOC detected MD5 Hash: b17fddb7d2ce627385bbfa48976f89b7

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: te2944e2a9580ac460b1152e86f5e5dfe.b17fddb7d2ce627385bbfa48976f89b7.addons.mozilla.org

XIOC detected Domain: te2944e2a9580ac460b1152e86f5e5dfe.b17fddb7d2ce627385bbfa48976f89b7.addons.mozilla.org

extracted_from_files

Domain
detected Domain: tab.id

XIOC detected Domain: tab.id

extracted_from_files

Domain
detected Domain: msg.id

XIOC detected Domain: msg.id

extracted_from_files

Security Analysis Summary

Security Analysis Overview

Looop is a Firefox Add-ons extension published by weaving. Version 0.2 has been analyzed by the Risky Plugins security platform, receiving a risk score of 48.62/100 (MEDIUM risk) based on 16 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: 4 finding(s)
  • Medium: 12 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

Looop is published by weaving on the Firefox Add-ons marketplace. The extension has approximately 4 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