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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 26 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:
e2534b9482d824576d10cc9e58de5aa0

SHA-1:
a462a5acd2372d9742313d5ea61e47b265dfd6cd

SHA-256:
9c2ef5d000efcf4e270e154d8024a644df3b4fff9b7e667443ce0257637a83bc

Scanner detections:
26 / 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:
4/26/2024 10:07:05 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.DealPly.E
6376918

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.152.224

avast!
Win32:Adware-gen [Adw]
150129-1

AVG
Adware InstallCore.VA
2014.0.4253

Bitdefender
Adware.DealPly.E
1.0.20.240

Bkav FE
W32.Cloda72.Trojan
1.3.0.4959

Clam AntiVirus
Win.Adware.Dealply-1
0.98/19722

Comodo Security
Application.Win32.InstallCore.KAU
18432

Dr.Web
Trojan.Packed.24524
9.0.1.05190

Emsisoft Anti-Malware
Adware.DealPly
9.0.0.4799

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
7.0.302.0

F-Prot
W32/A-c9057ef6
v6.4.7.1.166

F-Secure
Adware.DealPly.E
5.13.68

G Data
Adware.DealPly
15.2.24

IKARUS anti.virus
AdWare.DealPly
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.178.12292

MicroWorld eScan
Adware.DealPly.E
16.0.0.144

NANO AntiVirus
Riskware.Win32.InstallCore.dffjvw
0.28.2.62483

Norman
Adware.DealPly.E
03.12.2014 13:20:04

nProtect
Adware.DealPly.E
14.06.04.01

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.15215

Sophos
PUA 'Install Core'
5.10

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Threat.4150696
29800

File size:
660.2 KB (676,072 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 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:CydyMJfsGey62r0j4aSTG4WpjpMyCReG9FhjPDm5S54jjjC8wUae2ArEQ9bTYkl:CydyMJfs5yVrdTG5p15CIQFJDmksjjCs

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:
7.8142

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=65c0fee9d122da246a8b965859994a415da86b32&z=0&p=eyJweSI6ImV6IiwicnMiOiJiaW5nIiwicnQiOiJzZWFyY2giLCJjIjoidXMiLCJvIjoid2luNyIsImIiOiJjaDI5IiwidV9pZCI6ImV6XzUyM2Y1MTk2MzA4NzkyLjA4MzQ3NDcxIiwicGFfaWQiOiIwIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDA0LTAwMDAiLCJ0cyI6MTM3OTg4MTM2Niwia3ciOiJmaXJlZm94IGRvd25sb2FkIiwiY3UiOiJmaXJlZm94IGRvd25sb2FkIiwiY2EiOm51bGx9

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