mozilla firefox setup.exe

WeDownload, Ltd

The application mozilla firefox setup.exe by WeDownload 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 Midia Downloader 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. The file has been seen being downloaded from mozilla-firefox.todownload.com.
Publisher:
WeDownload, Ltd  (signed and verified)

Version:
1.0.0.0

MD5:
503b9af7bc02fee012b27761d13e5cf0

SHA-1:
f745b600d54ceef0ba0dd26d07ff32c2461da383

SHA-256:
f4bd94cf82f2b777a8fb5999517b96a462e6a3aefe6c2a31b8577ea35c797d86

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:
12/24/2024 4:03:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WeDownload.Bundler (M)
16.6.13.14

File size:
1.1 MB (1,161,880 bytes)

Product version:
1.0.0.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Midia Downloader

Language:
English (United States)

Common path:
C:\users\{user}\downloads\mozilla firefox setup.exe

Digital Signature
Signed by:

Authority:
DigiCert Inc

Valid from:
2/5/2013 4:00:00 PM

Valid to:
2/11/2016 4:00:00 AM

Subject:
CN="WeDownload, Ltd", O="WeDownload, Ltd", L=Nicosia, C=CY

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0320C5B8F7CE6E92D3665598826A4480

File PE Metadata
Compilation timestamp:
6/28/2013 12:51:45 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:xX2HS0qBqzA/igE1/HWP32WZ2j71j+dUstzMOv8t2c2bQZ+13utJ:+uBqzA/ZE1/WTkjZ+dlREtr2bQZK+t

Entry address:
0x37CD10

Entry point:
60, BE, 00, B0, 67, 00, 8D, BE, 00, 60, D8, FF, C7, 87, 34, AC, 2C, 00, 0E, F4, A8, C9, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46...
 
[+]

Entropy:
7.8981

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
1 MB (1,060,864 bytes)

The file mozilla firefox setup.exe has been seen being distributed by the following URL.

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