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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 24 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:
e1a6829e5758f4597fc4387da5066fdd

SHA-1:
b6ce1ce176858841e4bec3d86be7c019f47e0f7b

SHA-256:
730cd3b1f9a2a6278e212312cf7f077fd14dce194540e0fad079041871efdeb8

Scanner detections:
24 / 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 8:00:34 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.935276
5838486

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCo.HD
7.11.182.180

Arcabit
Application.Generic.DE456C
1.0.0.425

avast!
Win32:OutBrowse-AR [PUP]
150717-0

AVG
InstallC
2016.0.3035

Bitdefender
Application.Generic.935276
1.0.20.1045

Dr.Web
Trojan.Packed.24524
9.0.1.0209

Emsisoft Anti-Malware
Application.Generic.935276
10.0.0.5366

ESET NOD32
Win32/InstallCore.CH potentially unwanted application
9.7.0.302.0

F-Prot
W32/InstallCore.R.gen
v6.4.6.5.141

F-Secure
Riskware.Application.Generic.935276
5.14.151

G Data
Application.Generic.935276
15.7.25

herdProtect (fuzzy)
variant of gcdownload.php
2015.8.30.16

IKARUS anti.virus
AdWare.InstallCo
t3scan.1.9.5.0

K7 AntiVirus
Unwanted-Program
13.185.13866

MicroWorld eScan
Application.Generic.935276
16.0.0.627

NANO AntiVirus
Riskware.Win32.InstallCore.dimzeo
0.30.24.2668

Norman
Application.Generic.935276
07.07.2015 03:10:29

Sophos
PUA 'Install Core Click run software'
58

SUPERAntiSpyware
PUP.InstallCore/Variant
9727

Total Defense
Win32/InstallCore.A!generic
37.1.62.1

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Threat.4786018
34232

File size:
606.1 KB (620,688 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 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:BPuMJfsGEyT9ZbTv7H7SUTCK1fZl825IPYBAEf3NkrrdiC7ZM:B2MJfs7yTrXsMZL5DlPNCrnZ

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:
7.7650

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=c540d71f038f9deb184660e0867ad533ceb54623&z=0&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJnYiIsIm8iOiJ3aW44IiwiYiI6ImNoMjkiLCJ1X2lkIjoiZXpfNTIxZTY0YzFkOTA1YTkuMDM3MDU4MTAiLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMjMtMDAwMCIsInRzIjoxMzc3NzIzNTg1LCJrdyI6ImZpcmVmb3giLCJjdSI6ImZpcmVmb3giLCJjYSI6bnVsbH0=

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