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firefoxsetup.exe

Web

Top Scale (New Media Holdings Ltd.)

The application firefoxsetup.exe, “Web 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:
Program generic   (signed by Top Scale (New Media Holdings Ltd.))

Product:
Web

Description:
Web Setup

Version:
4.6.3.6

MD5:
f9fd5176228a1e26d61febf6431c151e

SHA-1:
b8f1e860ca9f946c75b11f8aa0bee60c29861912

SHA-256:
41dc5ead44de17d0125a898cd5cac3040ca514de36298c813e2bd84f4488b432

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:
12/27/2024 6:30:45 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH.Bundler (M)
16.3.6.0

File size:
797.9 KB (817,016 bytes)

Product version:
2.8.7

Copyright:
Program Generic 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\temporary internet files\content.ie5\{random}\firefoxsetup.exe

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

Authority:
GlobalSign nv-sa

Valid from:
2/11/2015 3:01:05 PM

Valid to:
2/12/2016 3:01:05 PM

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:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:o9EW9yjvyHe0hfpj3kK0y8N8EFuBNdAtnGZTDN8NTD:o+QyudR8aEFu7dAQlCf

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...
 
[+]

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 URL.

http://cdn.mediafhclearbundles.com/c?x= y42N zklr3GaFZSbyPO5Cnyb 3NQED07VOqtai2JA8=&c=iBX/4T51sVsdVGPYaGH0LrbCxzYMQpihi0 Ocf9hunul lTcUor32cVxW hDtUy6fGU0R1trNkcogE1QbKitrmNQlGDTAdQZwEXUrpk5ALIXMK0d3CSorGuKBlvrHdt4wLprJGxQDlfMkBHg739oqsf/1uS1Em/pIYqOmnSZIOQ=&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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