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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, “Adobe Flash Player ” 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   (signed by Air Software)

Product:
Adobe Flash Player

Description:
Adobe Flash Player

Version:
2.0.4.40

MD5:
1a90513b4b3e34fa5f812a38662b235a

SHA-1:
5d12f14e7040e469e6f08a6a7bcb7d081cca8fc7

SHA-256:
a23e5673c3b3cf6493cef1156a4fdef412ef2119ade756dd105d1516a5cbd21e

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:
4/20/2024 1:45:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.7.21.8

File size:
812.4 KB (831,912 bytes)

Product version:
2.0.4.40

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\flash_setup.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:
10/7/2013 1:18:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:Hq9ANYuAfbyXgk/71fgFE9K2+ZYRQh43H7+CNjasPe9r4t+CkV80HUzzumwL:a7PI91fgFEv+ZK93H7+CFXga+fEumwL

Entry address:
0x25A310

Entry point:
60, BE, 00, 90, 59, 00, 8D, BE, 00, 80, E6, 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:
7.8800

Packer / compiler:
UPX 2.90LZMA

Code size:
776 KB (794,624 bytes)

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

http://download.flashupdatenow.com/get/click/.../?sid=QPLfv9Xjm07I0rxU1DP0kBRt2suJDQymhovcD0Zfr3hm0FXkkY-4tDol20_jwJIctsSIY2lKSD33tRcCTnWupUr-MsAxkz_ZjDgLj4q6pqQxArYG7He-lFo7BJirrvjQ9CSe06lTRDCQsv2o8KHvxjWOxsl5SCsGSCha8hCFiCK9IMIQ9vssetgbXXZhDPBVYe77Iw2wOnzPb17nxpD8tZorhppdGVkDUWass1G7RdqsxKKIFNH1tVauXhiSXWoU3soOtqfPRz5nV4_ozRTPOiRu3av3Z0aLppLgYLB_dCKvmsTppBPInfWQCQQXYea5O5n7qF4NdwocuxiDCw8rSRjdU1mp62qJgWxUxDufvm9DL3JzMjSGAhT6rQ&filename=Flash_Setup

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