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1stbrowseruninstall.exe

SienBrowser

SIEN S.A.

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 1stbrowseruninstall.exe, “SIEN Browser Installer” by SIEN S.A has been detected as a potentially unwanted program 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:
SIEN  (signed by SIEN S.A.)

Product:
SienBrowser

Description:
SIEN Browser Installer

Version:
14.7.25.0

MD5:
d88447b1e4f10ff688d94fd2f0131e60

SHA-1:
1ab1fcc2dc2b18d29d889cc58a09ee7d26e810c6

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
11/23/2024 3:55:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.5.7

File size:
1015.3 KB (1,039,616 bytes)

Product version:
14.7.25.0

Copyright:
(c)SIEN S.A. All rights reserved.

Original file name:
Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
SIEN SuperInstall

Language:
English (United States)

Common path:
C:\Documents and Settings\{user}\Application data\1stbrowseruninstall\1stbrowseruninstall.exe

Digital Signature
Signed by:
SIEN S.A.

Authority:
GlobalSign nv-sa

Valid from:
2/17/2015 8:45:29 AM

Valid to:
6/12/2016 5:20:39 AM

Subject:
E=support@sien.com, CN=SIEN S.A., O=SIEN S.A., L=Paris, C=FR

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

Serial number:
112158A643D1C958507AAB7FE826772BFA60

File PE Metadata
Compilation timestamp:
7/2/2015 11:17:55 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x7E4DC

Entry point:
E8, A1, A7, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 56, 8B, 75, 14, 85, F6, 75, 04, 33, C0, EB, 6D, 8B, 45, 08, 85, C0, 75, 13, E8, AD, 55, 00, 00, 6A, 16, 5E, 89, 30, E8, F4, AD, 00, 00, 8B, C6, EB, 53, 57, 8B, 7D, 10, 85, FF, 74, 14, 39, 75, 0C, 72, 0F, 56, 57, 50, E8, BC, 38, 00, 00, 83, C4, 0C, 33, C0, EB, 36, FF, 75, 0C, 6A, 00, 50, E8, DA, 05, 00, 00, 83, C4, 0C, 85, FF, 75, 09, E8, 6C, 55, 00, 00, 6A, 16, EB, 0C, 39, 75, 0C, 73, 13, E8, 5E, 55, 00, 00, 6A, 22, 5E, 89, 30, E8, A5, AD, 00, 00, 8B, C6...
 
[+]

Code size:
677 KB (693,248 bytes)

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