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setup.exe

Free YouTube Downloader

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 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. The file has been seen being downloaded from dl.airdwnlds.com.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Free YouTube Downloader

Version:
2.0.3.38

MD5:
b5217f9b0e27537af99b2816d3dd72a3

SHA-1:
d0c8fd4b8c1785d13be4e0d2237f9d9a9890245b

SHA-256:
7ce1ecd7a41365c3c3bf0134bab4009bc3541c7d125a018fae1ba075674e0c5e

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:
4/25/2024 12:20:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftw.Bundler (M)
16.5.31.14

File size:
2.1 MB (2,228,312 bytes)

Product version:
2.0.3.38

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\setup.exe

Digital Signature
Signed by:
Air Software

Authority:
VeriSign, Inc.

Valid from:
3/1/2012 7:00:00 AM

Valid to:
3/2/2013 6:59:59 AM

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:
36D5AA8967E82240D5AFEC2F301B54ED

File PE Metadata
Compilation timestamp:
2/7/2013 6:23:25 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:xVmzv9dVjKCKTyvthJ3DUTanI5eUA5MjUS13X9+BvVNoQI5Ouys5prn1FNM8Mon+:bmTRETyvthJ3pI5AuUS13XAvVNo14uyZ

Entry address:
0x14F722

Entry point:
E8, CF, 93, 00, 00, E9, 89, FE, FF, FF, 3B, 0D, B0, 9D, 5E, 00, 75, 02, F3, C3, E9, 56, 94, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 14, 56, 85, C0, 74, 41, 83, 7D, 08, 00, 75, 13, E8, ED, 22, 00, 00, 6A, 16, 5E, 89, 30, E8, C4, 96, 00, 00, 8B, C6, EB, 2A, 83, 7D, 10, 00, 74, E7, 39, 45, 0C, 73, 0E, E8, CF, 22, 00, 00, 6A, 22, 59, 89, 08, 8B, F1, EB, DE, 50, FF, 75, 10, FF, 75, 08, E8, EA, 11, 00, 00, 83, C4, 0C, 33, C0, 5E, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 45, 08, 56, 8B, F1, C6, 46, 0C, 00, 85, C0, 75, 63, E8...
 
[+]

Entropy:
6.4965

Code size:
1.5 MB (1,595,904 bytes)

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

http://dl.airdwnlds.com/get/.../?b=cbca4800

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