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1stbrowseruninstall.exe

ClInstaller

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 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:
ClInstaller

Version:
3.38.1.14

MD5:
2b670a4211ce5d2ec7c1b9d947b37940

SHA-1:
b058817c680bf990d7667aeb08421c3a77115e53

SHA-256:
10bba05092e5e7454201738fa4392867768298e8ca78a5fd4b197684d89cfe84

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:
5/17/2024 4:21:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.12.15

File size:
2 MB (2,069,680 bytes)

Product version:
3.38.1.14

Copyright:
Copyright (C) 2015

Original file name:
CleanIns.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
SIEN SuperInstall

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\1stbrowseruninstall\1stbrowseruninstall.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:
9/14/2015 4:07:52 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x130946

Entry point:
E8, 67, 33, 01, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 83, EC, 20, 56, 57, 6A, 08, 59, BE, 30, D9, 59, 00, 8D, 7D, E0, F3, A5, 8B, 75, 0C, 8B, 7D, 08, 85, F6, 74, 13, F6, 06, 10, 74, 0E, 8B, 0F, 83, E9, 04, 51, 8B, 01, 8B, 70, 18, FF, 50, 20, 89, 7D, F8, 89, 75, FC, 85, F6, 74, 0C, F6, 06, 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, 20, 22, 57, 00, 5F, 5E, 8B, E5, 5D, C2, 08, 00, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51...
 
[+]

Code size:
1.4 MB (1,510,400 bytes)

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