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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 13 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. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from downloader.ez-download.com.
MD5:
d79e2de3854efa0e4c56292448e0f33d

SHA-1:
d3be423e8186bced4cf4e66ecd5f866053250634

SHA-256:
9885fc782c11fce6d5d037290c41c047855c69a8516d7f1b8ddf6f843621fce1

Scanner detections:
13 / 68

Status:
Potentially unwanted

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

Analysis date:
4/16/2024 11:34:54 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/InstallCore.AU.3
7.11.144.160

Comodo Security
Application.Win32.InstallCore.KAU
18142

Dr.Web
Adware.InstallCore.133
9.0.1.05190

ESET NOD32
Win32/InstallCore.EL potentially unwanted application
7.0.302.0

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

G Data
Win32.Application.InstallCore.CJ
14.11.24

K7 AntiVirus
Unwanted-Program
13.176.11833

McAfee
Trojan.Artemis!7E109818CD52
5600.6931

NANO AntiVirus
Riskware.Win32.InstallCore.dfgloi
0.28.2.62151

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.141127

Sophos
Install Core
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore
28462

File size:
664.4 KB (680,344 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:zcMJfsGs1NfV5B9i1ti1d4kUis9gnT9lAUmBHXZmXjw7E1+3Ed91u:oMJfsn1Nfd9ubBP+4URXj84Gozu

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:
7.8276

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=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMzAiLCJ1X2lkIjoiZXpfNTI2Mjk3YWUxZWQ1ODMuMTYyMjI2ODgiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzgyMTkzMDcwLCJrdyI6Im1vemlsbGEiLCJjdSI6Im1vemlsbGFmaXJlZm94IiwiY2EiOm51bGx9

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