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Avast Setup.exe

Avast

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:
DownloadAsst_New  (signed by Download Assistant)

Product:
Avast

Version:
3.0.0.102

MD5:
aa728ce3f6ea8834d36b98bb8f88b6ee

SHA-1:
eff73151118d1fb1bc56a83c8dbb237b7bf10b17

SHA-256:
8e12665a44c6279d6f6fd3fa018f679c73b26a76f214ccc49c3885b2f346b572

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:
4/30/2024 8:46:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.17.21

File size:
960.7 KB (983,720 bytes)

Product version:
3.0.0.102

Copyright:
(c) DownloadAsst_New

Original file name:
Avast Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/16/2015 12:00:00 AM

Valid to:
2/16/2016 11:59:59 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:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
5/18/2015 10:42:00 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:59bfW0b1eNABDAr1Rwyg6QD8ZQTYyb2/Dr2c9KTbmJxJfEDlnIUrv+vvYWpqqmuT:5vBeNABAr1ayg6C2iY02/ezbm0rzGam

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0552

Developed / compiled with:
Microsoft Visual C++

Code size:
574.5 KB (588,288 bytes)

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

http://software.onedownloader.com/v2/click/288028bb/?d=http://www.onedownloader.com/softwarefiles/avast.exe&n=Avast&key=8ae6220a2722ab9a2c899355fa4c7e2aeb959e29af70a3b4e58119b4b403715e&affiliate_image=http://www.onedownloader.com/inventory/avast/.../installicon.png&product_image=http://www.onedownloader.com/inventory/avast/.../installsplash.png&filename=Avast Setup&sid=binguk-Avast-avast free antivirus 2015---

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