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 start.fastenyourdata.com.
Publisher:
Download Assistant  (signed and verified)

Product:
File Downloader

Version:
3.0.0.156

MD5:
3fcc6c0392830ae4cdb25a4d6dfa47d7

SHA-1:
340aea14d72171ee9264ce98adc5ee1ffdaa993f

SHA-256:
1e0545d610cb32f7832ef1947b48332f76c41db548d74a40b8519e6c3bf05d94

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:
12/26/2024 3:20:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.20.11

File size:
1.1 MB (1,139,232 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 5:30:00 AM

Valid to:
8/2/2017 5:29:59 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 7:51:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:rxG/m1vfQ6fjmKj/xeP7V6BUVaJ6onR9nTjq9UVWI7WVkYOA430EJaks:EAQ6pxeVtVaJ/vTjGUV/+ja0EJaks

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:
6.9661

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://start.fastenyourdata.com/1464114706U1l4IElGIEh4YWFmZ1pBWVh4dUFzRVFRTWxaN2xZQGxZQEJLdFBMQ1FQMiBMSmxZQENPQkJUPE9CbFlAQEZJQjEwTFRLSUw8QUJPMkJVQm5IQlZzZD5lPlpmZ0JlZVpnZVkgWkFkY2VjZWUgZGVDYWJBZ0FZZGc8QUFhZ0FiQjxkZWI8YkI QWVBQUJkZCBDZ1lCZG5QRkFzblJGQXNuPENDRklGPFFCMUZKPERCc0VRUU1sWjdsWUBsWUBCS3RQTENRUDIgTEpsWUBDT0JCVDxPQmxZQElMREwyTUtEbk1PTEFSIFExRko8REJzRVFRTWxaN2xZQGxZQEJLdFBMQ1FQMiBMSmxZQENPQkJUPE9CbFlATU9MQVIgUTJNS0RuS3NARklCcjBMVEtJTDxBQk9uQ0ZJQks8SkJzUEJRUk0=

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