Firefox Beta

Firefox Beta

154.0.1 Virus and Malware Tests

EXEWindows ExecutableClean

Analysis of Firefox Beta

Firefox Beta is free of viruses and malware.
Filename:
Firefox Setup 155.0b5.exe
Resources:
SHA-256:
d5894b1f7201e51ab56e7c57fc47785719ee8e174e439f0569328834588a2d60
MD5:
cd4152d724253173856acd93ad25120a
Developer:
Mozilla
Virus test:
0 / 19 Clean
Updated:
Aug 27, 2026

Prognosis - Is Firefox Beta safe?

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


Virus tests for Firefox Beta

Avira Antivirus 8.3.3.24 Passed.
Dr.Web 7.0.75.2070 Passed.
Emsisoft Anti-Malware 2024.8.0.61147 Passed.
ESET NOD32 18.2.18.0 Passed.
F-Secure 18.10.1547.307 Passed.
Malwarebytes 3.1.0.267 Passed.
Microsoft Defender 1.26070 Passed.
Norton 1.22.0.0 Passed.
Panda 4.6.4.2 Passed.
Sophos 3.6.2.0 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
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.