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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 14 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:
4ed78459e3f42cc7eea1efb10951a4bd

SHA-1:
98829c88d44eb3a5776481e1baa9407ffda6f83e

SHA-256:
3abfc473f388f127a4ab6b490d5806495b9b203d9a4fba5d2552b39f41c2c7e3

Scanner detections:
14 / 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:
4/20/2024 9:55:23 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.147.26

Comodo Security
Application.Win32.InstallCore.KAU
18215

Dr.Web
Adware.InstallCore.133
9.0.1.05190

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
7.0.302.0

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

G Data
Win32.Application.InstallCore.CJ
15.1.24

K7 AntiVirus
Unwanted-Program
13.177.11965

McAfee
Trojan.Artemis!DD6F8A0F36A4
5600.6887

NANO AntiVirus
Riskware.Win32.InstallCore.dfglks
0.28.2.62440

Qihoo 360 Security
HEUR/Malware.QVM20.Gen
1.0.0.1015

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.15110

Sophos
PUA 'Install Core'
5.09

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore
28846

File size:
663.8 KB (679,728 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\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:PgMJfsG6eryY0SvFVGuHmjNPNK4PDBSp1ktIJA8LE1e3bOw9z3K:PgMJfs3er/BT2K4PCSIq8w83qwg

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:
7.8247

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=9527e2a6879911e89a89c8977cfd2a9681f77e59B&z=0&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJjYSIsIm8iOiJ3aW43IiwiYiI6ImllMTAiLCJ1X2lkIjoiZXpfNTI1MmU5YWI4NjkzZDMuMzQyODI0MDkiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzgxMTY1NDgzLCJrdyI6ImZpcmVmb3giLCJjdSI6ImZpcmVmb3giLCJjYSI6bnVsbH0=

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