home

setup.exe

Download Manager

Air Software

It uses the Air Installer distribution platform (a pay-per-install monetization download manager) to bundle unwanted software such as adware and browser toolbars during setup. The application setup.exe by Air Software 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 downloads.getsoftfree.com.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Download Manager

Version:
2.0.3.93

MD5:
0881dc0914fbfea3d47136d2970a6994

SHA-1:
ac923d529ea63f49967527b3eca5aeb70204c8aa

SHA-256:
4b76d607496853c9b3dfb0d4f7ac62c569bb8d8e7cca0d2bf77ff41763606957

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:
4/19/2025 1:05:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.18.18

File size:
1.1 MB (1,116,808 bytes)

Product version:
2.0.3.93

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
AirInstaller.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\setup.exe

Digital Signature
Signed by:
Air Software

Authority:
VeriSign, Inc.

Valid from:
1/24/2013 6:00:00 PM

Valid to:
3/26/2015 5:59:59 PM

Subject:
CN=Air Software, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Air Software, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
3AC786E09219DF82DA830E461D4FC39F

File PE Metadata
Compilation timestamp:
5/10/2013 12:39:34 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:IBgCkVrizucYSpcaaWVgqSzLXdMS04R2AFeZiTcrgM86xc3FX7RZizN:IBBFzBcWGqSzLf04R6i4kM8ccxRZE

Entry address:
0x24EB90

Entry point:
60, BE, 00, 30, 54, 00, 8D, BE, 00, E0, EB, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75...
 
[+]

Entropy:
7.7633

Packer / compiler:
UPX 2.90LZMA

Code size:
1 MB (1,097,728 bytes)

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

http://downloads.getsoftfree.com/get/click/.../?uid=USERID&sid=lax1CMWQ1P2t6PfraRACGKiRvPu2nKPSFyINMTk5LjY2LjE2OC40NSgB&filename=

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