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AirTool.exe

AirTool

SIEN INTERNET PRODUCTS LTD

This is the SIEN AppScion Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application AirTool.exe by SIEN INTERNET PRODUCTS 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 SIEN SuperInstall installer. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘AirTool’.
Publisher:
AirTool S.R.L.  (signed by SIEN INTERNET PRODUCTS LTD)

Product:
AirTool

Version:
1.0.2.1

MD5:
612806172b766c47a0c41e4fbf2d5eb6

SHA-1:
d768a10fd9ff42f8d4a7b44e32b603f8f80bad79

SHA-256:
af259904a57be7e159eac6c0c7d5fd14a24fbf232bc7800a432f50d89e886f23

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:
11/5/2024 8:04:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
16.7.22.12

File size:
7.7 MB (8,024,184 bytes)

Product version:
1.0.2.1

Copyright:
Copyright (C) 2013

Original file name:
AirTool.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
SIEN SuperInstall

Language:
English (United States)

Common path:
C:\users\{user}\appdata\roaming\airtool\bin\airtool.exe

Digital Signature
Signed by:
SIEN INTERNET PRODUCTS LTD

Authority:
GlobalSign nv-sa

Valid from:
6/18/2015 5:08:06 PM

Valid to:
6/18/2016 5:08:06 PM

Subject:
CN=SIEN INTERNET PRODUCTS LTD, O=SIEN INTERNET PRODUCTS LTD, L=London, S=LONDON, C=GB

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112197E7BBA82299D8F1DCEDCE8898C6F8C6

File PE Metadata
Compilation timestamp:
10/23/2015 4:40:25 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:/s8nufEiL2MOcoIG7wVQdIVBdeLUVh/ze8jo8V1vSi49uJ52efN8mm3HlBp:W6vcgfGjeLUKEdZSiSuG

Entry address:
0x184DA7

Entry point:
E8, 8F, 57, 01, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, F8, B3, B4, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, FC, B3, B4, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, BD, 64, 00, 00, 85, C0, 75, 06, B8, 60, B5, B4, 00, C3, 83, C0, 08, C3, E8, AA, 64, 00, 00, 85, C0, 75, 06, B8, 64, B5, B4, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Entropy:
7.0089

Code size:
3.8 MB (3,963,904 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
AirTool

Command:
"C:\users\{user}\appdata\roaming\airtool\bin\airtool.exe" \silent_startup


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