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 dl.airdwnlds.com.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Download Manager

Version:
2.0.3.3

MD5:
244d866afc5b172d2f6764f3b2d65290

SHA-1:
f89004b41fc32788958ad2c489f4fa4fb0ce09fd

SHA-256:
e9f98212542939f9ef95d1af5266aecfb35510b00a193514a9495bbf1844728a

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:
11/2/2024 1:32:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.25.13

File size:
935.1 KB (957,592 bytes)

Product version:
2.0.3.3

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
AirInstallerOne.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:

Authority:
VeriSign, Inc.

Valid from:
2/29/2012 7:00:00 PM

Valid to:
3/1/2013 6:59:59 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:
36D5AA8967E82240D5AFEC2F301B54ED

File PE Metadata
Compilation timestamp:
10/13/2012 5:38:49 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:VlwFELv1MhQLH4iXrMYdzSV2VXPS/aR92ib1W4J9n4:VgERMCHDY0SwZKw2ipZJK

Entry address:
0x227AA0

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, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.8891

Packer / compiler:
UPX 2.90LZMA

Code size:
916 KB (937,984 bytes)

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

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