firefox installer.exe

Siparopi

Darwen Marketing Inc.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application firefox installer.exe, “Siparopi Setup ” by Darwen Marketing 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. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Darwen Marketing Inc.  (signed and verified)

Product:
Siparopi

Description:
Siparopi Setup

Version:
4.0.3.0

MD5:
98999b79dd158ef3abfa9e1a70e945f0

SHA-1:
59885006b3065734b414c5e662eecf47d5055f75

SHA-256:
7834a4f7d72b020976a81736d3fc2be658befc59f99013fee852a5bb82b7b168

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
1/13/2025 3:59:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.DarwenMa.Installer (M)
16.4.12.2

File size:
980.6 KB (1,004,112 bytes)

Product version:
1.1

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Digital Signature
Authority:
thawte, Inc.

Valid from:
2/16/2016 1:00:00 AM

Valid to:
5/18/2017 1:59:59 AM

Subject:
CN=Darwen Marketing Inc., OU=IT, O=Darwen Marketing Inc., L=Victoria, S=British Columbia, C=CA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
1F1F22B813CDB509DAAD9139C753C40F

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:3MwkYUha2VfRwUliUdZD15+J2a0Rzd4ZhwYDFBw7:3asifPRDiuEVHw

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 firefox installer.exe has been seen being distributed by the following 3 URLs.

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