setup.exe

7-Zip

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 software.software-now.net.
Publisher:
Igor Pavlov  (signed by Air Software)

Product:
7-Zip

Description:
7z SFX

Version:
9.20

MD5:
e937a0e90ef1376d7b45536516c44e8e

SHA-1:
0e8c6c0baadd890eb553a1b98d12f33c95fea3c5

SHA-256:
6d1b6824a53d60ad272130c3fae07b844f31536d0183d08cf39392aae143c089

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 12:36:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.6.7.22

File size:
1.1 MB (1,152,424 bytes)

Product version:
9.20

Copyright:
Copyright (c) 1999-2010 Igor Pavlov

Original file name:
7z.sfx.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:
Symantec Corporation

Valid from:
2/16/2015 7:00:00 PM

Valid to:
4/17/2016 7:59:59 PM

Subject:
CN=Air Software, O=Air Software, 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:
16564ACDBB7F9D84DADD0FD418C69A51

File PE Metadata
Compilation timestamp:
11/18/2010 11:27:33 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:TWvknOMEfF4DHqlEYFt/QZyqkPRUjojEHbQbJ6/GCyEnQ9xG:TUeOMmTlEY/uyqJOWmJSQ9g

Entry address:
0x1D262

Entry point:
55, 8B, EC, 6A, FF, 68, 20, 1E, 42, 00, 68, 5C, D2, 41, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, 04, 11, 42, 00, 59, 83, 0D, 90, BD, 42, 00, FF, 83, 0D, 94, BD, 42, 00, FF, FF, 15, 00, 11, 42, 00, 8B, 0D, 70, 9D, 42, 00, 89, 08, FF, 15, FC, 10, 42, 00, 8B, 0D, 6C, 9D, 42, 00, 89, 08, A1, 64, 11, 42, 00, 8B, 00, A3, 8C, BD, 42, 00, E8, 1C, 01, 00, 00, 39, 1D, 20, 7A, 42, 00, 75, 0C, 68, EA, D3, 41, 00, FF, 15, 0C, 11...
 
[+]

Entropy:
6.9643

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
126.6 KB (129,684 bytes)

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

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