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softwareupdate.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 softwareupdate.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:
2.0.44.0

MD5:
a2f78cbd912108b63d5aa9bbf701950e

SHA-1:
62f6b9e62108f14e8855d7048f5e89b62edd829b

SHA-256:
c8b224d8256f8fb2cd1ec7ff0274f91468fd550981ed5acfa8abf814b1f48ea7

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:
4/24/2024 3:50:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.30.10

File size:
898.9 KB (920,488 bytes)

Product version:
2.0.44.0

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\softwareupdate.exe

Digital Signature
Signed by:
Air Software

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:
8/7/2014 3:53:25 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:Bb12XCHyGvKeB545hhdYn2KEAdSKM1YSMltXCQBsrxr6w:BjHyUl5EhjYnnEi21YdNKl6w

Entry address:
0x296630

Entry point:
60, BE, 00, 70, 5C, 00, 8D, BE, 00, A0, E3, 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:
7.8732

Packer / compiler:
UPX 2.90LZMA

Code size:
832 KB (851,968 bytes)

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

http://downloads.updatesoftnow.com/get/click/.../?uid=Ym89MSZjaXBpZD0xNTA5MDAwJmNpc2lkPUJDOThFODRFNDE0NjYwMDMxNDM1Njk2NDU3JmNpcmlkPUJDOThFODRFNDE0NjYwMDQxNzMxMzI3OTE1JnNsaWQ9MCZzdWJpZD0xMDAyJmNpdWlkPTgzMTk5MjAwNzA5NTk0OTczNTImc289MSZjcmlkPTIwODIzMTgmZXhjaWQ9MjImbW10PS0xJmNudHJ5PTIyNyZjaWNtcD0yNTgyOTgmcHViaWQ9MTgwMA==&filename=SoftwareUpdate

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