home

setup.exe

WordFree

Air Software

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 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 files.freedownloaders.net.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
WordFree

Version:
1.0.0.8

MD5:
fa8e96407186338e370a3940d781d342

SHA-1:
2a5172b74899d04d9b55936a27e8576ddb89a317

SHA-256:
b5677e2bac357fcf03611590351ead4c7cabad4f13b59d2111e63eef9393a6f5

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:
12/26/2024 4:22:22 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.3.26.17

File size:
332.3 KB (340,296 bytes)

Product version:
1.0.0.8

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:
Air Software

Authority:
VeriSign, Inc.

Valid from:
2/29/2012 6:00:00 PM

Valid to:
3/1/2013 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:
36D5AA8967E82240D5AFEC2F301B54ED

File PE Metadata
Compilation timestamp:
4/13/2012 4:26:28 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:xib32rGuk8HycRhNC7FtIkEN2oZw25ueb2VLJPF6M0Rnsk:k3cLk8SciFikKR51Q0Rnsk

Entry address:
0xFF730

Entry point:
60, BE, 00, 10, 4B, 00, 8D, BE, 00, 00, F5, 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:
7.8830

Packer / compiler:
UPX 2.90LZMA

Code size:
316 KB (323,584 bytes)

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

http://files.freedownloaders.net/software/.../setup.exe

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