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mozilla-firefox_40.exe

X_Media Downloader

X-MEDIA JSC

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application mozilla-firefox_40.exe by X-MEDIA JSC 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:
X_Media  (signed by X-MEDIA JSC)

Product:
X_Media Downloader

Version:
1.0.5.a0.1_34057

MD5:
55dd63e53e5defd4066ab9d87097d43f

SHA-1:
ca5fe7e36a86d89c9128198c2f760fdab618e983

SHA-256:
9f318fbbf1fc579cc97015906913ec636ba73c74918cfb985a4ca44a54f52f71

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:
12/26/2024 7:24:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.2.15

File size:
738.6 KB (756,312 bytes)

Product version:
1.0.5.a0.1_34057

Copyright:
X_Media

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\mozilla-firefox_40.exe

Digital Signature
Signed by:
X-MEDIA JSC

Authority:
COMODO CA Limited

Valid from:
9/18/2014 7:00:00 AM

Valid to:
9/19/2015 6:59:59 AM

Subject:
CN=X-MEDIA JSC, O=X-MEDIA JSC, STREET="244A, Le Trong Tan, Khuong Mai, Thanh Xuan", L=Ha Noi, S=Ha noi, PostalCode=10111, C=VN

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

Serial number:
00F2D9EB8AEBF269F7547A7B61BF10EA87

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:SIrvpJzZudxkBn37W9xsaCUUKbF6Z8ggqpkNYwWmoNwyLtTzT3TjwXiyBsa:3rv7zZuXkRK+Kh6aqqN3roNrtT/HOiyP

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:
7.8504

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

Code size:
37 KB (37,888 bytes)

The file mozilla-firefox_40.exe has been seen being distributed by the following URL.

http://cdn.xmediadelivery.com/c?x=DkqMHaFmVBosnZyjduQP2xYPLoOWYMZlnNvjzS/.../5wdlPApyF2BQ78tYNRzzXdU819vcmtRk677ig==&fallback_url=

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