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firefoxsetup.exe

Application

Top Scale (New Media Holdings Ltd.)

The application firefoxsetup.exe, “Application Setup ” by Top Scale (New Media Holdings) has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. 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:
Soft Application   (signed by Top Scale (New Media Holdings Ltd.))

Product:
Application

Description:
Application Setup

Version:
2.7.1.3

MD5:
cba1991e56c0fc6731f555984a490fc5

SHA-1:
8cd0acb81f74c8b19e27d766f94c60795e33e300

SHA-256:
be12d79f08516b0f078993e2d31f57f7c16decfd2031f332213e1192ebe8efe6

Scanner detections:
13 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
11/6/2024 4:26:57 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
InstallCore
2017.0.2861

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.16117

Bkav FE
W32.HfsAdware
1.3.0.7383

Dr.Web
Trojan.InstallCore.576
9.0.1.017

ESET NOD32
Win32/InstallCore.ADE potentially unwanted (variant)
10.12513

Fortinet FortiGate
Riskware/InstallCore
1/17/2016

K7 AntiVirus
Adware
13.212.17742

Malwarebytes
PUP.Optional.InstallCore
v2016.01.17.05

McAfee
Artemis!60572E0AB0CB
5600.6517

Panda Antivirus
PUP/Multitoolbar
16.01.17.05

Reason Heuristics
PUP.NewMedia.Installer.Installer (M)
16.1.17.17

Sophos
Install Core Click run software (PUA)
4.98

VIPRE Antivirus
InstallCore
44992

File size:
892.9 KB (914,328 bytes)

Product version:
2.1

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\low\content.ie5\{random}\firefoxsetup.exe

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

Authority:
GlobalSign nv-sa

Valid from:
2/11/2015 11:01:05 AM

Valid to:
2/12/2016 11:01:05 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:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:XZ9RhvuZjXSTNvJ5HXRlx0hBh8taNRpKZkR:XZBWxSThJZRlxezgaNP

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:
7.9369

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://www.capitalmetafile.com/c?x=vP6mfa/cCPqdaIrIBBl5Gsu77/l4xecPyPZqL8yMNYA=&c=2IMajV9N/eJsDog3qWBA3CUOJGiEQUioO8CjgEQ1wr9OX3XM2DRFozIZzh0Qn6Bqj/GAcowfm1Jqc630iJNA2Wb77vh8HgAoS0jvdt6DcYdYLISykWB95GJoarFvej8I/qwxdiWZvCcig n62bQtLA==&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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