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setup.exe

Adobe Flash Player (Firefox, Mozilla, Opera, Chrome) 64-bit v11.6.602.180

Download Assistant

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 by Download Assistant 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 download.afterdawn.com.
Publisher:
Download Assistant  (signed and verified)

Product:
Adobe Flash Player (Firefox, Mozilla, Opera, Chrome) 64-bit v11.6.602.180

Version:
3.0.0.89

MD5:
397a87f6b9b0cf7667b7e64f400e0cf4

SHA-1:
03253d3202d98b22ac57f09488dc15e67b997eea

SHA-256:
f1d15283a9579251793fc1ccff159914ef3294f46c47a65f447737ed0123c9c8

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:
5/8/2024 6:17:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software (M)
16.8.6.20

File size:
957.2 KB (980,200 bytes)

Product version:
3.0.0.89

Copyright:
(c) Download Assistant

Original file name:
install_flashplayer11x32_mssd_aih_11.6.602.180.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:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/16/2015 5:30:00 AM

Valid to:
2/17/2016 5:29:59 AM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
3/31/2015 9:05:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:cRqgzdXjfrTL8al3f+VdBUn1s08BeuU6AS17mDpXWgbPW88745C8vTHgIOIbAHjF:cIkTTgMcdBk1N8V6DIg7C63cHjF

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0416

Developed / compiled with:
Microsoft Visual C++

Code size:
574.5 KB (588,288 bytes)

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

http://download.afterdawn.com/v2/click/461ijmxm/?d=http://www.afterdawn.com/software/.../download.cfm?&version_id=59452&installer_download=1&air_installer=1&key=abd10daf0433d262af6e203c543a7c8e2cf44e3af50aaef897bd743af2f2f38b&n=Adobe Flash Player (Firefox, Mozilla, Opera, Chrome) 64-bit v11.6.602.180&filename=install_flashplayer11x32_mssd_aih_11.6.602.180

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