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 run.file-downloads.com.
Publisher:
Download Assistant  (signed and verified)

Product:
File Downloader

Version:
3.0.0.155

MD5:
ef48ac8fc9edbc3112bf0e3d768d4d03

SHA-1:
ff87743b664a356ae10166afc711c922e2ba6aa6

SHA-256:
20e34d4aab8e98320c09de2c18cb1d4b354bfabf29114b90facd98d3d37c4905

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:
11/24/2024 12:47:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.11.0

File size:
1.1 MB (1,136,056 bytes)

Product version:
3.0.0.155

Copyright:
(c) Download Assistant

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\setup.exe

Digital Signature
Authority:
Symantec Corporation

Valid from:
4/21/2016 2:00:00 AM

Valid to:
7/22/2017 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:
74E99F6D6E13850E699A1F96049E70BC

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:jxGv8RmULHI6517urBJx5OJea3y6jq2O7uaUEJakM:8kmN65akJeaC6jwUEJakM

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...
 
[+]

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.

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