firefoxsetup.exe

ICS Setup

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefoxsetup.exe by ICS Setup 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:
ICS Setup  (signed and verified)

MD5:
1943c08aba08938f7c180ef3051478cf

SHA-1:
1701958a398ed74103f270c0d5ccc4921cfc70c1

SHA-256:
cc0867b286de80fc28dc0e0632f293582d385859d3828132f285e6b511fbd6b3

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:
11/5/2024 9:55:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
17.3.12.18

File size:
790.4 KB (809,320 bytes)

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:

Authority:
COMODO CA Limited

Valid from:
1/22/2014 10:00:00 PM

Valid to:
1/23/2015 9:59:59 PM

Subject:
CN=ICS Setup, O=ICS Setup, STREET=Lilienblum 28, L=Tel-Aviv, S=Gush dan, PostalCode=65113, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
401AE9F3E475B300437336E84E319A7F

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

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...
 
[+]

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://www.best-browser.org/?dl=1&meta=DmlyDKDJekWBDd7J dAJhdREhXs0UzWPDrFthXtjcmVP2rldDX0mIT1zvm2yIKiWvmREhXs0vmNjhLvSvmNBDz1w2kDjhTnmDZ0wvmNpDZ1fNzA1OTCzATCRvmt3hXtGDXl3 3vCfSDt2Z1Y K507dP0eXslfSDt j1YcrRP7dVtDKF0fSDj2Z1Y2r5yDdV0fSDu2Z1YIKDZ dF0DKF0OCxWedlmLdVPcmNoOlxWvmV4cHaWed5jDKlCfSDPcZ1Y7Kxw 3Np2rlJ E0mDH7Wedxl2mljDX0mvm5EIKiWXzcFOZg1Nj7wNjAR

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