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mozilla_firefox_en.exe

SoftInstall

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mozilla_firefox_en.exe by SoftInstall has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
SoftInstall  (signed and verified)

MD5:
dd812d191717c6ea387f894f7d10d50e

SHA-1:
a398efcd7e156f4e2900911961bbb99216f373d2

SHA-256:
2ddf6e421c5f82a45c11b93769bd2b3e12285e58e5c32e7c969720a2c0cef343

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/25/2024 3:16:58 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.SoftInstall (M)
16.2.15.4

File size:
661.3 KB (677,136 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\users\{user}\downloads\mozilla_firefox_en.exe

Digital Signature
Signed by:
SoftInstall

Authority:
COMODO CA Limited

Valid from:
4/28/2014 8:00:00 AM

Valid to:
4/29/2015 7:59:59 AM

Subject:
CN=SoftInstall, O=SoftInstall, STREET=2/8 Lenelblome St., L=Tel-Aviv, S=Israel, PostalCode=651307, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
5AF66A3F1444C79E1F9C72BAEE368786

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:0Lvp8Z8txNxC3YB1gtTufaiTsuGQhIYSCBALZ7WL9YutUcAWmg9dfm2aWAsjlKMM:0Lv+azNc0eYfai4ZQShkWg9RArims/jA

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8715

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

Code size:
37 KB (37,888 bytes)

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

http://api.downloadastro.com/api/downloader/.../en?callback=jsonpCallbackDownload&_=1400749998

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