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. 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:
96a5c71721419f8982d7f542fee81bf2

SHA-1:
c9a1e02e2841b59d6a9feadeb6b89c8f3cf7fcb3

SHA-256:
968f454e3852bb8d128be92e0e9937f4dc1101af4a3c4d298c6ba388aa767833

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:
11/24/2024 12:46:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.11.1

File size:
1.1 MB (1,144,096 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\inetcache\ie\{random}\setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
5/3/2016 2:00:00 AM

Valid to:
8/2/2017 1:59:59 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 3:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:axG/wivinwwHC+0Tn2qBSszc/gy8u3uZLOk6TYhPphDZWEJakB:fxct4Ssmgy8u3uvhhdWEJakB

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:
6.9730

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/1465993164OCREb3h1b3dEXl4rPSVwJCNEQXA dDY2Mi8lTS8kUi8kUnF6IDUxcjY1SG8xeS8kUnI0cXE5bTRxLyRSUnV4cUdQMTl6eDFtcHE0SHEwcXx3cSE KG4pbiUrPXEpKSU9KSRvJXAoKikqKSlvKClyXiZwPXAkKD1tcHBePXAmcW0oKSZtJnFucClwcHEoKG9yPSRxKHw1dXA fDd1cD58bXJydXh1bTZxR3V5bXNxPnQ2NjIvJU0vJFIvJFJxeiA1MXI2NUhvMXkvJFJyNHFxOW00cS8kUngxczFIMnpzfDI0MXA3bzZHdXltc3E dDY2Mi8lTS8kUi8kUnF6IDUxcjY1SG8xeS8kUnI0cXE5bTRxLyRSMjQxcDdvNkgyenN8ej5SdXhxPFAxOXp4MW1wcTR8cnV4cXpteXE NXE2NzI=

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