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1stbrowser.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 1stbrowser.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:
6462def7e562a05da4998f6b87f79f55

SHA-1:
9e30b709b8759d9bd34ef9efb5becf0d6a008e47

SHA-256:
7aad4e0bbe5b6aeb37acb58386f4d03c886b86160798c63843310a1f77bdd731

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 '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:
5/17/2024 5:48:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.5.9

File size:
1016.8 KB (1,041,176 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:\users\{user}\downloads\1stbrowser.exe

Digital Signature
Signed by:
SIEN S.A.

Authority:
GlobalSign nv-sa

Valid from:
2/17/2015 12:45:29 PM

Valid to:
6/12/2016 10:20:39 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:
7/9/2015 5:17:56 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x7EAD9

Entry point:
E8, A4, 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, B0, 55, 00, 00, 6A, 16, 5E, 89, 30, E8, F5, AD, 00, 00, 8B, C6, EB, 53, 57, 8B, 7D, 10, 85, FF, 74, 14, 39, 75, 0C, 72, 0F, 56, 57, 50, E8, BF, 38, 00, 00, 83, C4, 0C, 33, C0, EB, 36, FF, 75, 0C, 6A, 00, 50, E8, 0D, 06, 00, 00, 83, C4, 0C, 85, FF, 75, 09, E8, 6F, 55, 00, 00, 6A, 16, EB, 0C, 39, 75, 0C, 73, 13, E8, 61, 55, 00, 00, 6A, 22, 5E, 89, 30, E8, A6, AD, 00, 00, 8B, C6...
 
[+]

Code size:
678.5 KB (694,784 bytes)

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