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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:
c9fd515e0fc4171bfa8cab84545d617f

SHA-1:
a8dc69feba0dd2dfc2ffd7669a7b2c77eb4321b5

SHA-256:
3c44381ac9078e7bc0cf8fa1537f709cb990dedd6fb17845d9c16e4bc183953d

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:
5/6/2024 8:17:37 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.InstallCore.1151
9.0.1.0280

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

herdProtect (fuzzy)
variant of java_setup(1).exe
2015.10.7.5

Malwarebytes
PUP.Optional.Installcore
v2015.10.07.05

Reason Heuristics
PUP.installCore.DownloadBlast.Installer (M)
15.8.20.1

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 4:00:00 PM

Valid to:
2/26/2017 3:59:59 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 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Py/SGDvxlXdKHztFQlVh/BvqJCSkMbVkHGe/L4JeEK8NTh:Py6+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=qCTxBguWlmE C6SF5zTDZlI1 gwsspKriiZR9wVyoKQ=&c=2B5zb6R elYX2jcnYmHq7wxXONC8XQsFrXQ/EGoKnXs2rZJUM47u55NvFC6fOXkyogV8uO9dqAmFv9DRcC o2kCguWOjWZJHWXHxrlFNtVvikJ9nrY4yL7dRj i8TZ scQXZforEc 1HlxOdqq8bmQ==&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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