Firefox Beta

Firefox Beta 143.0.4 Virus and Malware Tests

EXEWindows ExecutableClean

Analysis of Firefox Beta

Firefox Beta is free of viruses and malware.
Filename:
Firefox Setup 145.0b3.exe
Resources:
SHA-256:
42d9ccc2c58a3c6e300fb5d73e21a6c8f16163daebeefcf6a2f294f44e730534
MD5:
0c89593d20c888a1b4d0331ddf194b4f
Developer:
Mozilla
Virus test:
0 / 20 Clean
Updated:
Oct 7, 2025

Prognosis - Is Firefox Beta safe?

We have determined Firefox Beta to be clean and safe to download.


Virus tests for Firefox Beta

Avira Antivirus 8.3.3.22 Passed.
Dr.Web 7.0.72.9030 Passed.
Emsisoft Anti-Malware 2024.8.0.61147 Passed.
ESET NOD32 31976 Passed.
F-Secure 18.10.1547.307 Passed.
Malwarebytes 3.1.0.166 Passed.
Microsoft Defender 1.1.25080.5 Passed.
Norton 1.22.0.0 Passed.
Panda 4.6.4.2 Passed.
Sophos 3.2.1.0 Passed.
SUPERAntiSpyware 5.6.0.1032 Passed.
Webroot SecureAnywhere 8.0.8.53 Passed.


Malware report of download-installer.cdn.mozilla.net

Dr.Web Link Checker
G-Data
Google Safebrowsing
Malware Patrol
Phishtank
URL Query
VX Vault
Yandex

A word of caution

These tests are valid for the date we published them. As a strong reminder: Always test files you download from the Internet before you run them. This site acts as a defense against the distribution of known malware, but we're not perfect.