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1sttooluninstall.exe

AirTool Installer

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 1sttooluninstall.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.
Publisher:
AirTool S.R.L.  (signed by SIEN INTERNET PRODUCTS LTD)

Product:
AirTool Installer

Version:
9.50.1.1

MD5:
9842d89a18ff5ac9cb0fe1dad2dde6de

SHA-1:
66abcb508cc01189028ef378e15484b0b2b4e272

SHA-256:
94534532fe968866d1b8c3daf80b829a36aa37b16c19570a24c9e2f24bd15207

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:
12/28/2024 3:08:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.9.5

File size:
1.5 MB (1,576,520 bytes)

Product version:
9.50.1.1

Copyright:
(c) AirTool S.R.L. All rights reserved.

Original file name:
AirToolBootstrapper.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
SIEN SuperInstall

Language:
English (United States)

Common path:
C:\users\{user}\appdata\roaming\1sttooluninstall\inst\bootstrapper\1sttooluninstall.exe

Digital Signature
Signed by:
SIEN INTERNET PRODUCTS LTD

Authority:
GlobalSign nv-sa

Valid from:
6/18/2015 7:38:06 AM

Valid to:
6/18/2016 7:38:06 AM

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:
12/7/2015 6:15:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x1E6C7

Entry point:
E8, C9, D3, 00, 00, E9, 7F, FE, FF, FF, 3B, 0D, 44, 68, 56, 00, 75, 02, F3, C3, E9, 19, D5, 00, 00, 55, 8B, EC, 8B, 45, 0C, 83, EC, 20, 56, 57, 6A, 08, 59, BE, 58, 05, 54, 00, 8D, 7D, E0, F3, A5, 8B, 4D, 08, 5F, 5E, 85, C0, 74, 0D, F6, 00, 10, 74, 08, 8B, 01, 8B, 40, FC, 8B, 40, 18, 89, 4D, F8, 89, 45, FC, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 80, F1, 53, 00, C9, C2, 08, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F...
 
[+]

Entropy:
7.4373

Code size:
1.2 MB (1,301,504 bytes)

Remove 1sttooluninstall.exe - Powered by Reason Core Security
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