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firefox_download.exe

Download-Manager

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application firefox_download.exe by Download Assistant 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 AirInstaller Download Manager 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:
Download Assistant  (signed and verified)

Product:
Download-Manager

Version:
3.0.0.154

MD5:
c4a2de19afa06a4cd09bbb15fe5c8bd3

SHA-1:
2df5d66143714c99b082a2f892512961a47739ee

SHA-256:
587584bd12cddde017ab2144ef56ad64a624187cccf5af199d5028accbc0a892

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:
12/27/2024 3:34:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.8.3

File size:
1.1 MB (1,140,440 bytes)

Product version:
3.0.0.154

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\firefox_download.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
4/6/2016 2:00:00 AM

Valid to:
7/7/2017 1:59:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3F4D313EECE411E33755867DDBC09D69

File PE Metadata
Compilation timestamp:
1/30/2013 3:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:1xGHrMVYUDUpT1ETRXPrYIVX7OFAUyonLufJIACo0RD+pz3kF3mC58zEJakRG:uFUqETNM4X7/nX0RypNC6zEJakRG

Entry address:
0x113BC

Entry point:
55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://dateien.jetzt-herunterladen.co/1460131840TVNyfEMgfEJyXFlSXy4vVFNyb19tPktLR2ZUMWZTNmZTNi5MbnxfRXZBLktRS24 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 S0tHZlQxZlM2ZlM2QS5LUUtuPi5JTEVLLklDL18uRXZ8RkRmUzZfRk5FQ0YvX3V8RkRHQy5LLmZTNmZUNi5JSUZJZlQ0Ug==

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