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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 15 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:
859d70f6f3cb07fc213647fa75fb34fd

SHA-1:
c90e4c5d86d78dc2abd9470c8d0d4640794098f6

SHA-256:
a41fff658d9fb6b9bef93c30c06801339be441adf84fbeb0d1fc55f1a9fb186e

Scanner detections:
15 / 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:
5/9/2024 5:27:17 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.143.18

avast!
Win32:PUP-gen [PUP]
150129-1

Comodo Security
Application.Win32.InstallCore.KAU
18094

Dr.Web
Trojan.MulDrop4.64479
9.0.1.069

ESET NOD32
Win32/InstallCore.DF potentially unwanted application
7.0.302.0

F-Prot
W32/A-dbe1ec51
v6.4.7.1.166

G Data
Win32.Application.InstallCore.CJ
15.3.24

herdProtect (fuzzy)
variant of icreinstall_audacity_setup.exe (Adware)
2015.6.16.23

K7 AntiVirus
Unwanted-Program
13.176.11737

Malwarebytes
PUP.Optional.InstallCore
v2015.03.10.04

McAfee
Trojan.Artemis!B1DC90D5FA2A
5600.6830

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.15308

Sophos
Install Core
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore
28202

File size:
660.1 KB (675,952 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:HkOyMJfsG82zdXci38D/oBV2P3FYpQSK501Pa10ocXyhCiZt02soB0W/K:EOyMJfs72zdMi3ioBsP7n500AyhbVBFK

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:
7.8184

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=0b9477df1fb5c88fc05fdd1ce0dbae3f33d63c40B&z=0&p=eyJweSI6ImV6IiwicnMiOiJiaW5nIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDI5IiwidV9pZCI6ImV6XzUyNDc3ZjRmODJjMTcxLjk4MjQwODk0IiwicGFfaWQiOiIwIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAxLTAwMDAiLCJ0cyI6MTM4MDQxNzM1OSwia3ciOiJkb3dubG9hZCBmaXJlZm94IDYiLCJjdSI6ImRvd25sb2FkIGZpcmVmb3ggNiIsImNhIjpudWxsfQ==

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