update.exe

Flash Player Pro

Air Software

Warning, this is not the legitimate setup program for Flash Player Pro. 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 Flash Player Pro. The application update.exe by Air Software has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Flash Player Pro

Version:
2.0.3.53

MD5:
3e804f26a8842a474ebb8f13ac241457

SHA-1:
6a432b0fe3d89826b3d0ae93c83118e407b2136b

SHA-256:
1f8094d775c80abf118635a7c578a21dcdc7946b24ecc81b915e5d4ecb08050e

Scanner detections:
21 / 68

Status:
Adware

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:
4/13/2025 6:37:13 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.AirAd
7.1.1

AhnLab V3 Security
PUP/Win32.AirAdInstaller
14.09.20

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.143.18

avast!
Win32:Installer-L [PUP]
2014.9-140920

AVG
Adware Generic5
2015.0.3345

Comodo Security
Application.Win32.AirAdInstaller.A
18095

Dr.Web
Adware.Downware.1011
9.0.1.0263

ESET NOD32
Win32/AirAdInstaller.A potentially unwanted application
8.7.0.302.0

F-Prot
W32/AirInstall.A.gen
v6.4.6.5.141

G Data
Win32.Adware.Airadinstaller
14.9.24

herdProtect (fuzzy)
2014.12.3.7

IKARUS anti.virus
Trojan-Dropper.Agent
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.13054

NANO AntiVirus
Trojan.Win32.Downware.cxjkpm
0.28.2.61519

Panda Antivirus
Adware/AirInstaller
14.09.20.04

Reason Heuristics
DownloadManager.AirSoftware.G
14.9.20.16

Rising Antivirus
PE:PUF.Airinstall!1.9C4C
23.00.65.14918

Sophos
AirInstaller
4.98

Vba32 AntiVirus
AdWare.AirAdInstaller
3.12.26.3

VIPRE Antivirus
Threat.4782985
32210

Zillya! Antivirus
Adware.AirAdInstaller.Win32.23
2.0.0.1799

File size:
1 MB (1,095,248 bytes)

Product version:
2.0.3.53

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\update.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:
3/4/2013 5:35:04 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:bfLHuzBsBX4BF3LEV8dz/WqBEJBFeYns+HAeyfLGfgyMmsx:bfj0wk9L80z/LEJBFeJ+HZEGTy

Entry address:
0x2423E0

Entry point:
60, BE, 00, C0, 53, 00, 8D, BE, 00, 50, EC, 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:
7.7654

Packer / compiler:
UPX 2.90LZMA

Code size:
1 MB (1,077,248 bytes)

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

Remove update.exe - Powered by Reason Core Security