setup.exe

Skype

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, “Skype ” 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. The file has been seen being downloaded from skype.free-software-guru.com and multiple other hosts.
Publisher:
AirInstaller   (signed by Air Software)

Product:
Skype

Description:
Skype

Version:
2.0.4.66

MD5:
475fd8f6d2939417fe119c84f68fdedf

SHA-1:
c256ffaf86ab05392709ecb1c63f2e56c70cf8b4

SHA-256:
c52bd36d99ed688fe6d8f52c0a1c1bfb8c618b70bef699fc8e9061f5c6cea7e0

Scanner detections:
21 / 68

Status:
Adware

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:
4/24/2024 10:19:26 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.177.164

AVG
Adware Generic_r.JB
2014.0.4037

Clam AntiVirus
Win.Adware.Airadinstaller-58
0.98/19501

Comodo Security
Application.Win32.AirAdInstaller.B
19765

Dr.Web
Trojan.SMSSend.4689
9.0.1.05190

ESET NOD32
Win32/AirAdInstaller.A potentially unwanted application
7.0.302.0

F-Prot
W32/A-8c0ea402
v6.4.7.1.166

G Data
Win32.Adware.Airadinstaller
14.10.24

IKARUS anti.virus
Win32.AdWare
t3scan.1.7.8.0

K7 AntiVirus
Unwanted-Program
13.183.13642

Malwarebytes
PUP.Optional.AirInstaller
v2014.10.10.11

NANO AntiVirus
Riskware.Win32.AirAdInstaller.cwblae
0.28.2.62483

nProtect
Trojan-Clicker/W32.AirAdInstaller.837536
14.10.10.01

Panda Antivirus
Adware/AirInstaller
14.10.10.11

Quick Heal
Adware.AirAdInstaller.I5
10.14.14.00

Reason Heuristics
DownloadManager.AirSoftware.F
14.10.10.23

Rising Antivirus
PE:PUF.Airinstall!1.9C4C
23.00.65.141008

Sophos
AirInstaller
4.98

Vba32 AntiVirus
AdWare.AirAdInstaller
3.12.26.3

VIPRE Antivirus
Threat.4782985
33706

Zillya! Antivirus
Adware.AirAdInstaller.Win32.147
2.0.0.1949

File size:
817.9 KB (837,536 bytes)

Product version:
2.0.4.66

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\setup.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:
12/3/2013 5:08:39 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:9yOX2vg6R4J0W7PZX7en1xtzkiw7eY87I:9yOm7g7xXGLtzzw77

Entry address:
0x25F710

Entry point:
60, BE, 00, D0, 59, 00, 8D, BE, 00, 40, 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:
7.8779

Packer / compiler:
UPX 2.90LZMA

Code size:
780 KB (798,720 bytes)

The file setup.exe has been seen being distributed by the following 2 URLs.

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