setup.exe

Software Updater

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, “Software Updater ” 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.updatesoftnow.com.
Publisher:
AirInstaller   (signed by Air Software)

Product:
Software Updater

Description:
Software Updater

Version:
2.0.4.71

MD5:
9381b9b0ed57293e2de71308c049aa17

SHA-1:
ad7fdd4e515dff39bb6c0a0bc45c8ea5185f03f2

SHA-256:
261dd73518b4ff972f20ef3a655943aae6720aa7cd8debc21a4bbf7120e7ec73

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:
11/30/2024 8:05:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.7.14

File size:
840.4 KB (860,584 bytes)

Product version:
2.0.4.71

Copyright:
(c) AirInstaller

Original file name:
setup.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:
1/24/2013 6:00:00 PM

Valid to:
3/26/2015 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:
3AC786E09219DF82DA830E461D4FC39F

File PE Metadata
Compilation timestamp:
1/9/2014 6:31:42 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:43TF63gCL3+KmTw0JtYKDhHfEY/amBmTcGMcrprG:4Dsall9fEY/amwTBMcrg

Entry address:
0x266D40

Entry point:
60, BE, 00, 40, 5A, 00, 8D, BE, 00, D0, E5, 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:
7.8865

Packer / compiler:
UPX 2.90LZMA

Code size:
780 KB (798,720 bytes)

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

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