flash_setup.exe

Adobe Flash Player

Air Software

Warning, this is not the legitimate setup program for Adobe Flash Player. The setup is bootstrapped by the Air Installer 'download manager' (a pay-per-install monetization download manager) that bundles unwanted software (adware, toolbars, extensions) during setup while deciving the user into thinking they are downloading the stadard installation setup from Adobe Flash Player. The application flash_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.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Adobe Flash Player

Version:
2.0.3.96

MD5:
33d9416227965201bb474562811e6f1b

SHA-1:
8039c82b58ed836412c5fa76406403ea9ff81366

SHA-256:
3df1a27f93cf2050a4103580d941646cccf7f3648f16e0c07d911fcc8c49e7e9

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/20/2024 8:10:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.5.17.13

File size:
1.1 MB (1,120,680 bytes)

Product version:
2.0.3.96

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
AirInstaller.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\downloads\flash_setup.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/24/2013 7:00:00 PM

Valid to:
3/26/2015 7:59:59 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:
5/30/2013 1:25:22 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:Iz6QAQrZvfEdvr5fxXEs2WThp7xrH8BI1C5s5nKQbKbftupIMfq:Iz6XIZvfuvrfXb2edH8YC5mnK3b+q

Entry address:
0x252190

Entry point:
60, BE, 00, 50, 54, 00, 8D, BE, 00, C0, 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, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75...
 
[+]

Entropy:
7.7649

Packer / compiler:
UPX 2.90LZMA

Code size:
1.1 MB (1,105,920 bytes)

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

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