home

setup.exe

File Downloader

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 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from open.file-downloads.com.
Publisher:
Download Assistant  (signed and verified)

Product:
File Downloader

Version:
3.0.0.156

MD5:
67b73ef131c5e2f418af5a66ce7841d0

SHA-1:
914cd4920e43b3d43b17a7cb1ba1622fc3722993

SHA-256:
a61d6af1e95a4c8a34a549c3f21903bca1417411fae718b2fa14a4bb15128168

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:
11/24/2024 12:30:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.3.12

File size:
1.1 MB (1,136,128 bytes)

Product version:
3.0.0.156

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\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
5/3/2016 3:00:00 AM

Valid to:
8/2/2017 2:59:59 AM

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:
088066A3A015128F544F3E16DC53BCE8

File PE Metadata
Compilation timestamp:
1/30/2013 5:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:GxG/C3LUTJ+/1EgSIJnB7DnlPpOim70GVr+WLk5rEJakQx:LK3LUJ+/6gSIJnVDnlPpOim4OCEJaki

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:
6.9615

Developed / compiled with:
Microsoft Visual C++

Code size:
65.5 KB (67,072 bytes)

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

http://open.file-downloads.com/1465470212IyhJdDN6dDJJKys7Lyl1KCpJRnVEeSEhNywpUiwoVywoV3Y1RTA2dyEwTXQ2NCwoV3c5dnYkcjl2LChXV3ozdkxVNiQ1MzZydXY5TXYldj4ydl5EP3M6cyk7L3Y6OikvOih0KXU/LTotOjp0Pzp3Kz11L3UoPy9ydXUrL3U9dnI/.../P3R3Lyh2Pz4wenVEPkB6dUQ cnd3ejN6ciF2THo0cnh2RHkhITcsKVIsKFcsKFd2NUUwNnchME10NjQsKFd3OXZ2JHI5diwoVzM2eDZNNzV4Pjc5NnVAdCFMejRyeHZEeSEhNywpUiwoVywoV3Y1RTA2dyEwTXQ2NCwoV3c5dnYkcjl2LChXNzk2dUB0IU03NXg NURXejN2Q1U2JDUzNnJ1djk d3ozdjVyNHZEMHYhQDc=

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