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avast_free_antivirus_setup.exe

Avast Free Antivirus

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_free_antivirus_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. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Download Assistant  (signed and verified)

Product:
Avast Free Antivirus

Version:
3.0.0.74

MD5:
5f8a7cf0b89415a90bf5043f1e52a1f7

SHA-1:
6271bc3c2cb412aac0e132e32597da6d15d18f1b

SHA-256:
1e097746a4199c602f08b519da02b4da5e0ab32f4fd5f62daeac126f691c455a

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/24/2024 12:59:27 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.10.19

File size:
788.5 KB (807,440 bytes)

Product version:
3.0.0.74

Copyright:
(c) Download Assistant

Original file name:
avast_free_antivirus_setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

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

Digital Signature
Signed by:
Download Assistant

Authority:
VeriSign, Inc.

Valid from:
8/13/2014 1:00:00 AM

Valid to:
8/13/2016 12:59:59 AM

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:
2/2/2015 5:10:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:FBs6ZFH2p+hY3SJKZUSh8wV1EzoVI5PZm42eBU5/RTg5:FC6IvPZUSh8wV1EzoVOZm42B5/I

Entry address:
0x4D5CF

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, 4F, 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:
7.1180

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

http://dl.downloadwizard.com/v2/click/4156abde/?d=http://files.avast.com/iavs9x/avast_free_antivirus_setup_online.exe&key=527dc07947fb57285da68dbd233321ce78f2ae415b054dd8c2649e51fdc8ac8e&sid=avast-uk&uid=&affiliate_image=&product_image=http://www.downloadwizard.com/.../logo_avast_live.jpg&n=Avast Free Antivirus&filename=avast_free_antivirus_setup

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