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setup.exe

Y! Chat Messenger

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 cdn.airdlr.com.
Publisher:
AirInstaller Inc.  (signed by Air Software)

Product:
Y! Chat Messenger

Version:
1.0.1.2

MD5:
8844d796b97e390632abd754d1d2358e

SHA-1:
a1172bbff859bf31982910635715333ca15f26e4

SHA-256:
b2ed65662bb49acf807b3cb20cfea306a4ab48c7ce5450d9fdb99edf400f2bd2

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:
4/26/2024 7:00:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.AirSoftware.Bundler (M)
16.1.13.16

File size:
790.4 KB (809,328 bytes)

Product version:
1.0.1.2

Copyright:
(c) AirInstaller. All rights reserved.

Original file name:
AirInstallerOne.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 5:30:00 AM

Valid to:
3/2/2013 5:29:59 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:
6/20/2012 11:06:14 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:0qDvidnjm9xESgmUl1bzoSzdgW/2nTZoGSjsoX:0qQnScSU1v1/2nVoZV

Entry address:
0x233D70

Entry point:
60, BE, 00, 30, 57, 00, 8D, BE, 00, E0, E8, 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:
7.9125

Packer / compiler:
UPX 2.90LZMA

Code size:
772 KB (790,528 bytes)

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

http://cdn.airdlr.com/downloads/bundles/ads/uk/.../setup.exe

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