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firefoxsetup.exe

Web Program App

Top Scale (New Media Holdings Ltd.)

The application firefoxsetup.exe, “Web Program App Setup ” by Top Scale (New Media Holdings) 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 installCore 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:
Installer Software   (signed by Top Scale (New Media Holdings Ltd.))

Product:
Web Program App

Description:
Web Program App Setup

Version:
5.7.3.4

MD5:
3ab00f359b20f9cb9f8c0603cac7e21c

SHA-1:
e8e48617de2777e8d02b27e0285558b410656031

SHA-256:
ada8496ce1129344acc3e24959b541267f2a8b053a952f035096965bb2400d78

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:
11/28/2024 12:22:24 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.Installer.Installer (M)
16.1.19.20

File size:
798.1 KB (817,240 bytes)

Product version:
2.1.3

Copyright:
Software

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\firefoxsetup.exe

Digital Signature
Signed by:
Top Scale (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
2/12/2015 12:01:05 AM

Valid to:
2/13/2016 12:01:05 AM

Subject:
CN=Top Scale (New Media Holdings Ltd.), O=Top Scale (New Media Holdings Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121FF0C79830A7B12BE4E698038C29DAF9A

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:oEXEsk5pVQGFku31tLLhQy3HpMktV8NToM:ogWHBFkuFtBQyXp0V

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9214

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file firefoxsetup.exe has been seen being distributed by the following 3 URLs.

http://www.flashquickbinaries.com/c?x=H0Vwxqt6xSe5Aol DFCNaO8V5JssERipqx/EyDjHIW4=&c=7pymdsnpDCiMyHnRvT2bHqd26r3YzHde6fM24ZzZgKhQuFyP7GDZCWy/eMQX0XszMq Si28pUrkP/sHuW8Jz1OilVwrikBrFakOQEnOQNbJ/0xh px3mY4V7Xw5kUxUDGGe2 w5tkCTtHPHODZ02Olf34j mhvcVabFr/vt9ac4=&downloadAs=FirefoxSetup.exe&fallback_url=http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/27.0/win32/.../Firefox Setup 27.0.exe

http://d.mediafhsignslaboratory.com/c?x=hq9LpD8zJ21wyLeyEpLulNmkpVQNR7yB/PVLVSK0GhU=&c=wvf Z 97UdMeqOTgbXKFoBJTuZcNkODl3SHaQ8 oIMt8kABG40JBQiwS1g7gZdn3lZtpdvhBgCLj2JvogwgqW6f6By/UKB92WIdjbgsY6LyoryATJeXzFtbflABnbZKFl8OCCnxJ7xWV4X6hS9LjvUe6DGQHavPqoSTGd4DhSt0=&downloadAs=FirefoxSetup.exe&fallback_url=http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/27.0/win32/.../Firefox Setup 27.0.exe

http://www.flashquickbinaries.com/c?x=XdW2c7vM 3yqeoQu5x66oseOgk4ZhhxfgaLOtaIf5Bo=&c=8UOn6KDcD7zPkACAzH1Hz0LtIxtU8s9ACSTGFtseOrrfNCjBPlDZ8uOkqf3dyiwc8uHRrCcG5LXieJ1KZnnMym678RqsoLA0ibDQfiH2KfX59wKjMml0vPUkphhdwNn39duAh2LWeSBo5ufWtpVIH7SLmBxIGXIxq6gEOMeDnX4=&downloadAs=FirefoxSetup.exe&fallback_url=http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/27.0/win32/.../Firefox Setup 27.0.exe

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