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FirefoxSetup.exe

Firefox

Download Helper

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application FirefoxSetup.exe by Download Helper has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the AirInstaller Download Manager installer. The installer is marketed through download protals and search ads as the free Mozilla Firefox web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
DownloadHelperComondo  (signed by Download Helper)

Product:
Firefox

Version:
3.0.0.87

MD5:
4bf11d20b7bb6a19f1717ae224b6afd5

SHA-1:
62101b26aae9b70156dc06220f43d90955277250

SHA-256:
03c4947f8c6c79f9674daf59ef8ecb0c151471057f0330032604258e922279f2

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
2/25/2025 3:19:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.2.4.18

File size:
844.6 KB (864,848 bytes)

Product version:
3.0.0.87

Copyright:
(c) DownloadHelperComondo

Original file name:
FirefoxSetup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\firefoxsetup.exe

Digital Signature
Signed by:
Download Helper

Authority:
COMODO CA Limited

Valid from:
2/2/2015 4:00:00 PM

Valid to:
2/3/2016 3:59:59 PM

Subject:
CN=Download Helper, O=Download Helper, STREET=308-536 Herald St, L=Victoria, S=BC, PostalCode=V8W1S6, C=CA

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00949A93C26C8C58A2B94E6A2870C8C9F4

File PE Metadata
Compilation timestamp:
3/16/2015 10:00:10 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0532

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

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