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avast_setup.exe

Avast Antivirus Free

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 avast_setup.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 AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Download Assistant  (signed and verified)

Product:
Avast Antivirus Free

Version:
3.0.0.154

MD5:
72a071d449f4ddd30290dd56b79c0bb6

SHA-1:
d37bb88983c106996ed0f5084ce4f1bae74640bc

SHA-256:
d9816a45cbe276a8cda9fc98cdbf37592fb05956576893dff79141b118592b7f

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:
11/27/2024 11:29:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.4.20.10

File size:
1.1 MB (1,136,704 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}\avast_setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
4/13/2016 5:00:00 PM

Valid to:
7/14/2017 4:59:59 PM

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 6:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:PxGnwRdEagGiU+AQSHJmmhWZukU3EIa+dce3Y6ASxmeeyubpyoUEJakL:4wLdz+/MJ1+us2c0dbeyjEJakL

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...
 
[+]

Entropy:
6.9606

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://downloads.newestsoftwaredownloadables.com/v2/click/9fa21c67/?d=http://antivirus-free.net/.../Avast2016.exe&n=Avast Antivirus Free&key=630cd95ab0df9aa3d5cca7c58c3597a3ef5c0a702ba87f6f6ee7a4fabb1f01dd&affiliate_image=http://antivirus-free.net/.../Avast_logo_noWordsSm.png&product_image=http://antivirus-free.net/.../Avast_logo.png&filename=Avast_Setup&sid=avast,www.avast.com free antivirus,FFIE

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