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avast_setup.exe

AVG 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_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:
AVG Antivirus

Version:
3.0.0.110

MD5:
cfe316814d6ec2f90f22f2f02e9d17f2

SHA-1:
5a76d5ebf508295cc6ad0fcbadbfd1f6d6743437

SHA-256:
07720445f569434b096bd33de65fcce5778730571f88b47d3ff24ff20494ac0b

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/15/2024 10:27:36 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.DownloadAssistant.Bundler (M)
15.7.18.3

File size:
965.3 KB (988,440 bytes)

Product version:
3.0.0.110

Copyright:
(c) Download Assistant

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}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\avast_setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
6/20/2015 7:00:00 PM

Valid to:
6/20/2016 6:59:59 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:
68A4319BC2FC7C8CEA600E8D68FFA326

File PE Metadata
Compilation timestamp:
7/17/2015 7:57:25 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:Awa5gv7rXjPhnATrA0rGALD2rRtVqDnzkLaSz:A952PX1CrA0qALmUnzkrz

Entry address:
0x1288

Entry point:
55, 8B, EC, 83, EC, 14, 53, 56, 57, 6A, 00, FF, 15, 08, 20, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 89, 5D, FC, 0F, B7, 73, 14, 83, C6, 18, 03, F3, 2B, 05, 1C, 10, 40, 00, 89, 45, F0, 1B, D2, 89, 75, EC, F7, D8, 89, 55, F4, 83, D2, 00, F7, DA, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 46, 0C, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, C6, FD, FF, FF, 56, FF, 35, 28, 10, 40, 00, 8B, CF, E8, 42, FF, FF, FF, A1, 20, 10, 40, 00, 83, C4, 18, 83, C6, 28, 83, F8, 01, 76, 18, 56, FF, 35, 2C, 10...
 
[+]

Entropy:
7.0490

Developed / compiled with:
Microsoft Visual C++

Code size:
577 KB (590,848 bytes)

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

http://download.downloadsly.com/v2/click/r8zihncw/?d=http://downloadsly.com/download/avast.exe&key=f9e0cff8560b6db34bcf04b89d6fe659d4d8f17e6a32600b3efaea78ba44cff4&sid=avastdom-dldsly-202548-8759905798-400&uid=&affiliate_image=http://downloadsly.com/.../avast-logo.png&product_image=http://downloadsly.com/.../avast-img.png&n=AVG Antivirus&filename=avast_setup

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