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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:
ee5b52341cefc1658ef6e70d020e0b10

SHA-1:
b82719dbeb2ed74af965116441a0335e77286c89

SHA-256:
c4129abae8f5727c317b3ba7266255c4e3dded9943d99957d7d6c38c58008e7a

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:
11/5/2024 8:07:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
16.10.26.0

File size:
7.6 MB (8,011,896 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 12:38:06 PM

Valid to:
6/18/2016 12:38:06 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:
10/29/2015 1:52:33 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:PNvsHVAqk6YSuufWhgJmdl1dXebFkdnp/NzQyRfR3W2ehNIdxm6pQX:/RfSJKjJeOB+if09

Entry address:
0x1881F7

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, 88, 84, 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, 8C, 84, 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, F0, 85, B4, 00, C3, 83, C0, 08, C3, E8, AA, 64, 00, 00, 85, C0, 75, 06, B8, F4, 85, B4, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Code size:
3.8 MB (3,990,528 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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