Is KeepBackPlay safe to use?

KeepBackPlay has a security risk score of 82.12/100 (HIGH risk). Our security analysis detected 64 findings. Review the detailed security assessment below to understand the specific risks before installation.

What are the security risks of KeepBackPlay?

Based on our automated security analysis, KeepBackPlay presents high risk level. The extension is analyzed for malware patterns, secret exposure, network communications, permissions, and supply chain vulnerabilities.

How is the security score calculated?

Risky Plugins calculates security scores using weighted categories: severity of findings (25 points max), malware detections (35 points), secret exposure (28 points), network communications (10 points), and obfuscation (10 points). Scores range from 0-100, with higher scores indicating greater risk.

What does CRITICAL, HIGH, MEDIUM, LOW, MINIMAL risk mean?

CRITICAL (80-100): Severe security issues like malware. HIGH (60-79): Significant vulnerabilities. MEDIUM (40-59): Moderate security concerns. LOW (20-39): Minor issues. MINIMAL (0-19): Very low risk. Always review findings before installing any extension.

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

Name: KeepBackPlay
Availability: InStock
Rating: 5 (1 reviews)
Author: Jeurissen Apps

Jeurissen Apps · firefox · v0.1.33

Automatically keep audio playable in the background.

Risk Assessment

Analyzed

82.12

out of 100

HIGH

64 security findings detected across all analyzers

Firefox extension requesting 7 permissions

Severity Breakdown

Critical

High

Medium

Low

Info

Finding Categories

Malware Signatures

IoC Indicators

YARA Rules Matched

9 rules(21 hits)

credential metamask extension postinstall file manipulation postinstall network communication DebuggerStatementsShouldNotBeUsed postinstall obfuscation postinstall system command postinstall persistence mechanism postinstall crypto operations NoUseWeakRandom

Requested Permissions

7 permissions

debugger

Full access to Chrome DevTools debugging protocol

Dangerous

<all_urls>

Access and modify data on every website you visit

Dangerous

http://*/**

Dangerous

https://*/**

Dangerous

contextMenus

Low

scripting

Low

storage

Low

Detailed Findings

22 total

YARA Rule Matches

9 rules

Indicators of Compromise

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

URLs

Domains

Strings

All Indicators · 41

Domain

detected Domain: www.w3.org

XIOC detected Domain: www.w3.org

extracted_from_files

Domain

detected Domain: g.tabs.group

XIOC detected Domain: g.tabs.group

extracted_from_files

URL

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

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

extracted_from_files

URL

detected URL: https://apps.jeurissen.co/keep-back-play

XIOC detected URL: https://apps.jeurissen.co/keep-back-play

extracted_from_files

URL

detected URL: https://apps.jeurissen.co/

XIOC detected URL: https://apps.jeurissen.co/

extracted_from_files

URL

detected URL: https://apps.jeurissen.co/.well-known/security.txt

XIOC detected URL: https://apps.jeurissen.co/.well-known/security.txt

extracted_from_files

Hash

detected MD5 Hash: ef463004613bb771d908683b187df41f

XIOC detected MD5 Hash: ef463004613bb771d908683b187df41f

extracted_from_files

Domain

detected Domain: l.storage

XIOC detected Domain: l.storage

extracted_from_files

Domain

detected Domain: a.id

XIOC detected Domain: a.id

extracted_from_files

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

Domain

detected Domain: e.id

XIOC detected Domain: e.id

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

URL

detected URL: https://apps.jeurissen.co

XIOC detected URL: https://apps.jeurissen.co

extracted_from_files

Domain

detected Domain: o.id

XIOC detected Domain: o.id

extracted_from_files

Domain

detected Domain: n.audible

XIOC detected Domain: n.audible

extracted_from_files

Domain

detected Domain: n.tab

XIOC detected Domain: n.tab

extracted_from_files

Domain

detected Domain: signingca1.addons.mozilla.org

XIOC detected Domain: signingca1.addons.mozilla.org

extracted_from_files

Domain

detected Domain: f.call

XIOC detected Domain: f.call

extracted_from_files

Domain

detected Domain: e.target

XIOC detected Domain: e.target

extracted_from_files

Domain

detected Domain: t.storage

XIOC detected Domain: t.storage

extracted_from_files

Domain

detected Domain: t.id

XIOC detected Domain: t.id

extracted_from_files

Domain

detected Domain: e.run

XIOC detected Domain: e.run

extracted_from_files

Domain

detected Domain: e.world

XIOC detected Domain: e.world

extracted_from_files

Domain

detected Domain: n.world

XIOC detected Domain: n.world

extracted_from_files

Domain

detected Domain: e.origins

XIOC detected Domain: e.origins

extracted_from_files

Domain

detected Domain: i.id

XIOC detected Domain: i.id

extracted_from_files

Domain

detected Domain: e.play

XIOC detected Domain: e.play

extracted_from_files

Domain

detected Domain: g.runtime.id

XIOC detected Domain: g.runtime.id

extracted_from_files

Domain

detected Domain: e.page

XIOC detected Domain: e.page

extracted_from_files

Domain

detected Domain: g.tabs.tab

XIOC detected Domain: g.tabs.tab

extracted_from_files

Domain

detected Domain: t.open

XIOC detected Domain: t.open

extracted_from_files

Domain

detected Domain: g.windows

XIOC detected Domain: g.windows

extracted_from_files

Domain

detected Domain: date.now

XIOC detected Domain: date.now

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: apps.jeurissen.co

XIOC detected Domain: apps.jeurissen.co

extracted_from_files

Domain

detected Domain: t28e4692d04d67cde2c0b1a934f250f52.ef463004613bb771d908683b187df41f.addons.mozilla.org

XIOC detected Domain: t28e4692d04d67cde2c0b1a934f250f52.ef463004613bb771d908683b187df41f.addons.mozilla.org

extracted_from_files

Domain

detected Domain: g.management

XIOC detected Domain: g.management

extracted_from_files

Other

detected Email: [email protected]

XIOC detected Email: [email protected]

extracted_from_files

Security Analysis Summary

Security Analysis Overview

KeepBackPlay is a Firefox Add-ons extension published by Jeurissen Apps. Version 0.1.33 has been analyzed by the Risky Plugins security platform, receiving a risk score of 82.12/100 (HIGH risk) based on 64 security findings.

Risk Assessment

This extension presents critical security risk. Severe issues were detected, potentially including malware indicators, exposed secrets, or dangerous behaviors. Installation is strongly discouraged until these issues are addressed.

Findings Breakdown

High: 21 finding(s)
Medium: 43 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

KeepBackPlay is published by Jeurissen Apps on the Firefox Add-ons marketplace. The extension has approximately 8 users.

Recommendation

This extension is not recommended for installation without thorough manual review. Consider alternatives with lower risk scores, or contact the developer to address the identified security concerns.

Source Code Viewer

Source Code Not Available

Source code is not available for this version of the extension.

Frequently Asked Questions

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Risk Assessment

Severity Breakdown

Finding Categories

YARA Rules Matched

Requested Permissions

Detailed Findings

MANIFEST-SENSITIVE-PERM-<ALL_URLS>

YARA Rule Matches

credential metamask extension

postinstall file manipulation

postinstall network communication

DebuggerStatementsShouldNotBeUsed

postinstall obfuscation

postinstall system command

postinstall persistence mechanism

postinstall crypto operations

NoUseWeakRandom

Indicators of Compromise

All Indicators · 41

Security Analysis Summary

Security Analysis Overview

Risk Assessment

Findings Breakdown

What Was Analyzed

Developer Information

Recommendation

Frequently Asked Questions

Similar Extensions

Black Menu for Google™

Colour Vision Deficiency Assistant

Category Tabs for Google Keep™

Language toolkit

CSPBlocker

Ink for Google™