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firefox_setup.exe

App

Download Blast

The application firefox_setup.exe, “App Setup ” by Download Blast has been detected as a potentially unwanted program by 5 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. 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 cdn.downloadbinfiles.net.
Publisher:
Software Web   (signed by Download Blast)

Product:
App

Description:
App Setup

MD5:
222f871509b8c1a9d892dd12238cbe2d

SHA-1:
cfeb3d2e963b419e21e5caeed8012aae008f9472

SHA-256:
f1908c7bccc2cc1343adc4a2d8f99ac7d228323a2b7a0cdaa517454604ffd3d7

Scanner detections:
5 / 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:
12/25/2024 2:05:51 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.InstallCore.1151
9.0.1.0269

ESET NOD32
Win32/InstallCore.TP potentially unwanted (variant)
9.12067

herdProtect (fuzzy)
variant of java_setup(1).exe
2015.9.26.17

Malwarebytes
PUP.Optional.Installcore
v2015.09.26.05

Reason Heuristics
PUP.installCore.DownloadBlast.Installer (M)
15.8.14.8

File size:
899.8 KB (921,400 bytes)

Product version:
3.5.0

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefox_setup.exe

Digital Signature
Signed by:
Download Blast

Authority:
COMODO CA Limited

Valid from:
2/26/2015 6:00:00 PM

Valid to:
2/26/2017 5:59:59 PM

Subject:
CN=Download Blast, O=Download Blast, STREET="1930 Village Center Circle #3-1234", L=Las Vegas, S=NV, PostalCode=89134, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00F7A728BDE0E8DDCD6B6A9632ED2C24F8

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):
24576:wy/SGDvxlXdKHztFQlVh/BvqJCSkMbVkHGe/L4JeEK8NTh:wy6+vqzHQh/BvqcSROHBQX1

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9066

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file firefox_setup.exe has been seen being distributed by the following URL.

http://cdn.downloadbinfiles.net/c?x=4qCEOa8duoLWP19OBYiL5s8fbI0TjJZcoIUFZjFXN/M=&c=xspYwWR5xeBH9qxFaakBspKmxqb1XiWgZLiBi2DbggpMC7UosD3TbNlIwCaILmqFRnZuoGUAZwDMXtCB1hlBaIkTmeiAW6lBn/AtPZB1MkryrdcXhpyohG84aF1otww92T4/J2y2hBLeZ6u6/VT2mQ==&downloadAs=Firefox_Setup.exe&fallback_url=http://download-installer.cdn.mozilla.net/pub/firefox/releases/38.0.5/win32/.../Firefox Setup Stub 38.0.5.exe

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