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firefoxsetup.exe

Web application

Top Scale (New Media Holdings Ltd.)

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

Product:
Web application

Description:
Web application Setup

Version:
3.3.3.4

MD5:
44ec5c5b9ab06088f3f1536ceb02d53b

SHA-1:
f5f6cb616b50e5c5af3063bda2ed65dd3a7fe217

SHA-256:
78bddba80b3c1d76d2575252f9afba240aa9fc362354ea3bee5b06a81f0e57e1

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:
4/25/2024 5:52:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH.Bundler (M)
16.4.9.7

File size:
684.2 KB (700,664 bytes)

Product version:
3.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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 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):
12288:By1p6WFN8prRLZBCLZwNhgzBVQO15/uajoOGjQ2oLGk0vrieemLAn29V596:By1AWFN6RLZILCNCBv15njoOGjQojGe6

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8865

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

Code size:
37 KB (37,888 bytes)

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

http://fun-media-player.com/?dl=1&pi=Azn4NTndNZCRNi==&osos=VdluDrW3cw==&dr=cHaWck1mIXvlDmW4vExthXN3DKV0AQDzcj1QDyDphXAmD3vpDZ0m rcWDK4m7dAWTVgm7dREhKVuvmAWASDChTMm7dlChV8yOTg3AzgwOTnm7K2pDZ1fNTCyATaROTn0Ag==&pd=2323UEvP2rLt2XNlUmNJ i==&campaignId=9jn0Azn1OTM0AZMq

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