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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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from mozilla-firefox.todownload.com.
Publisher:
WeDownload, Ltd  (signed and verified)

Version:
1.0.0.0

MD5:
f4af36a9950dc64f40bca0356f58fcd4

SHA-1:
da6bfdeae5161d93729319e50c8d0a31f6098b78

SHA-256:
23e9d00a6053ac2b7ea853f2581f2db8372e238a55f53ddfc1f399814fb32563

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/26/2024 3:13:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WeDownload.Bundler (M)
16.1.16.11

File size:
1.1 MB (1,160,856 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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\mozilla firefox setup.exe

Digital Signature
Signed by:
WeDownload, Ltd

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:
7/15/2013 2:58:54 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:MFVRc+TS2Mt1nFae2kRgNvs8/JmJj82UlJh6Ur6ce7BgctM:MTRlTSrgN3q1UPf9e7B5t

Entry address:
0x37B960

Entry point:
60, BE, 00, A0, 67, 00, 8D, BE, 00, 70, D8, FF, C7, 87, 34, 9C, 2C, 00, 36, 68, 14, 46, 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:
7.8977

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.

http://mozilla-firefox.todownload.com/get/file/id/.../?lp=adwords&tg=us&kw=Firefox&mt=e&ad=30621336078&pl=&ds=s&gclid=COz1r-ydhboCFc57QgodYWoAyw

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