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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 17 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. According to Microsoft Security Essentials, the software includes a bundle of the DealPly adware which is installed on a user's PC during setup using the InstallCore platform. The file has been seen being downloaded from downloader.ez-download.com.
MD5:
05cfbc5a63f1a1947459efd07e7e4012

SHA-1:
11537d5e64ce6c28e7462c93601ae7b6ecc8c7c0

SHA-256:
95fd7d5707dfd06cbfbfde954f028342a33dddb9f150f44fb2c952b5188512a0

Scanner detections:
17 / 68

Status:
Potentially unwanted

Explanation:
This software bundler installs other potentially unwanted software, including DealPly. Which includes offers in a user's web browser which state they are "Powered by DealPly".

Analysis date:
4/18/2024 7:13:05 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCo.HK
7.11.144.168

avast!
Win32:Adware-gen [Adw]
150319-1

AVG
Win.Threat.Medium
2014.0.4311

Dr.Web
Adware.InstallCore.122
9.0.1.0114

ESET NOD32
Win32/InstallCore.BL
9.9704

F-Prot
W32/InstallCore.R3.gen
v6.4.7.1.166

G Data
Win32.Application.InstallCore.CJ
15.4.24

herdProtect (fuzzy)
variant of icreinstall_firefox_setup.exe (PUP)
2015.7.25.17

IKARUS anti.virus
SoftwareBundler
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.183.13393

Microsoft Security Essentials
SoftwareBundler:Win32/DealPly
1.10502

NANO AntiVirus
Riskware.Win32.InstallCore.dddwtb
0.28.2.61349

Rising Antivirus
PE:Malware.InstallCore!6.4
23.00.65.15422

Sophos
Install Core
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore
28484

File size:
603.1 KB (617,608 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\firefox_setup.exe

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:WCyMJfsFJHCmVDYUGr3gHRV0k+Ts+MleJ3RddPbrwDUUfezUImxQK7:WCyMJfsHi0YLr3gA8le/PnwDr2zc

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.7619

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

Code size:
36 KB (36,864 bytes)

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

http://downloader.ez-download.com/download.php?id=4b8266b51f0b79677dbe30d0bddd25de26ff23b1&z=0&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW52IiwiYiI6ImNoMjgiLCJ1X2lkIjoiZXpfNTIwYjg1YjAyYTk1YjYuOTczMDMyMzUiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDQtMDAwMCIsInRzIjoxMzc2NDg2ODMyLCJrdyI6ImZpcmVmb3ggZG93bmxvYWQiLCJjdSI6ImZpcmVmb3ggZG93bmxvYWQiLCJjYSI6bnVsbH0=

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