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 get.online-softs.com.
Publisher:
Download Assistant  (signed and verified)

Product:
File Downloader

Version:
3.0.0.156

MD5:
c50ea0e2d7ebbca914ba37ea5eeb2e65

SHA-1:
d1104b52dcd00b15d2c5e5419f12897bbe25f3dc

SHA-256:
c2b509f93a69915ed146ae5c29b8a545f3c98f0322056d52250f134f5d8ce58d

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 2:03:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.7.9.0

File size:
1.1 MB (1,138,080 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 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 4:21:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:/xG/vf6i5hXYQhTlEdF9ThSXBnFcahtXdNFEJakt:IPZJKdVSXf7XXdfEJakt

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:
6.9644

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://get.online-softs.com/1463669075QkhnKi8/KjtnSkpPUEkoSEdnZChiLSAgLlVJcFVIdVVIdSl8Yz5fKyA aypfXFVIdSs8KSlDXjwpVUh1dT8vKWpzX0N8L19eKCk8aylEKVc7KUViTSZOJklPUClOTklQTkgqSShNTE5MTk4qTU4rSksoUChITVBeKChKUChLKV5NTkteSykmKE4oKClNTSorUEgpTVc PyhiV0E/.../XiApaj9cXj0pYi0gIC5VSXBVSHVVSHUpfGM XysgPmsqX1xVSHUrPCkpQ148KVVIdS9fPV9rLnw9Vy48XyhBKiBqP1xePSliLSAgLlVJcFVIdVVIdSl8Yz5fKyA aypfXFVIdSs8KSlDXjwpVUh1LjxfKEEqIGsufD1XfGJ1Py8pYXNfQ3wvX14oKTxXKz8vKXxeXCliPikgQS4=

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