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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:
71c71c6847fb6ea376d113c61cc22cb7

SHA-1:
34ebe54651ccb8f926e0481b4f01fc4bff86a911

SHA-256:
5cb0b2bc49fa6ab85b63ed6d4fb1e62b910133aeaaa375f0f9212129839fa703

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 3:25:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.7.10.10

File size:
1.1 MB (1,139,040 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\temporary internet files\content.ie5\{random}\firefox_download.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
4/14/2016 2:00:00 AM

Valid to:
7/15/2017 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:
3179370BECD0CB49DB3E6431A0C87799

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:pxGHinn8pDr6bWMcs0dK9/cpwKbwHufdmGVqg081lVUsEJakg:iWn8piT9UpfmufdT3vl+sEJakg

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/1461087268R01sLSx8LS5sPVNMPzorTk1saT9nXEVFQVpOdVpNelpNejpGaC0/PnBfOkVLRWhcOkNGPkU6QywrPzo cC0gPFpNejt8LDpEWk16O3xDOjsgSW98PkRFKywsbz86cDpJOmIuOkpnTVJTLTtVTTtVOi0tUVFRVC0/UFI6Uj89TD9QK1BRTC0/UjpPTjpOUStSTys/Tz9UO1JUU1Q/LVNVLU1UTz07T2JEfD9nMDB3TFNiRnw/ZzQyNnczeFBSTFFRLU1MU0xUOlBiKzs7fCx8K0U6b3w8Ky86Z2JBQyA/Ri1Fb3w8Ky86Z1xFRUFaTnVaTXpaTXpISEhwXzpFS0VoXDpDRj5FOkMsKz86PnAtIDxaTXovQytBXHwtRFpNekFDID9GLUVvfDwrLzpvLzo OkN8LXBBPi9iPmd4IEg LCArP2g3Kz4rLzpDYjt8LDo Kzw6Zzt8Qzo7IElvPyBIPiwgKz9iPyA Om9GQyxnXEVFQVpOdVpNelpNel86RUtFaFw6Q0Y RTpDLCs/.../IEg LCArP28tIDxBLDpFOlpNelpOejpDQyBDWk54TA==

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