avast_setup.exe

Avast Free Antivirus 2015

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, “Avast Free Antivirus 2015 ” 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 by Download Assistant)

Product:
Avast Free Antivirus 2015

Description:
Avast Free Antivirus 2015

Version:
3.0.0.50

MD5:
963f1bb487109aa4fca64effde161a98

SHA-1:
ed37ce1f54e5029e0dc8881024b08c1bd81fae12

SHA-256:
27e9f1292ef197cd85060faac966b2944d798da6ab9207d79ef08ea9ab90263e

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:
5/21/2024 7:34:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.4.23.1

File size:
832.9 KB (852,848 bytes)

Product version:
3.0.0.50

Copyright:
(c) Download Assistant

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\avast_setup.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
8/12/2014 8:00:00 PM

Valid to:
8/12/2016 7:59:59 PM

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

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6BC405E8AC962C676F54816BCC4D4311

File PE Metadata
Compilation timestamp:
11/13/2014 5:37:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288://rul5hXVmgSsJWO7GICErUBn3/U3BJALLCLuMJXBrQc94io9YQiI1XPOHmcmDtH:nroHJWOqpTnk4W5Xz4pbTPOHVmDtff

Entry address:
0x4C6FF

Entry point:
E8, 4E, 1A, 01, 00, E9, 89, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, 40, 3E, 4A, 00, 00, 74, 05, E9, B1, 1A, 01, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02, 74, 06, F3, AB, 85, D2, 74, 0A, 88, 07, 83, C7, 01, 83, EA, 01, 75, F6...
 
[+]

Entropy:
7.0735

Code size:
466.5 KB (477,696 bytes)

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

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