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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 8 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:
1a4b8a233710ee4238390be8a5d45608

SHA-1:
aba30bc6cb4d1e2ac592988132f95f4f371014f2

SHA-256:
de987203f6c5949d92c262e552d54f60a2fa4145fa0ec0a72598be36fec943ca

Scanner detections:
8 / 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:
4/25/2024 4:44:14 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:OutBrowse-CH [PUP]
160112-0

Dr.Web
Adware.InstallCore.133
9.0.1.05190

Emsisoft Anti-Malware
Trojan.GenericKD.2959813
10.0.0.5366

ESET NOD32
Win32/InstallCore.GQ potentially unwanted application
7.0.302.0

Microsoft Security Essentials
Threat.Undefined
1.213.3172.0

Norman
Trojan.GenericKD.2959813
11.01.2016 17:30:26

VIPRE Antivirus
Threat.4786018
46444

File size:
666.7 KB (682,688 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:OOyMJfsGHkG2bDBh8hv6c9P0ClNI2GwyA4gRVdeZ+GCxxRjLOWj9RBGu9:OOyMJfs2n2bV+icl0Cc26gR3JGCbRjL/

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:
7.8201

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=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44IiwiYiI6ImNoMzEiLCJ1X2lkIjoiZXpfNTI5YmVjNzlhZDFkYzIuOTM0OTY1NjIiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg1OTUwMzI5LCJrdyI6Im1vemlsbGEgZmlyZWZveCIsImN1IjoibW96aWxsYSBmaXJlZm94IiwiY2EiOm51bGx9

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