home

1stbrowser.exe

Installer

SIEN SA

The application 1stbrowser.exe by SIEN SA has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. While running, it connects to the Internet address www.ibbalance.com on port 443.
Publisher:
SIEN  (signed by SIEN SA)

Product:
Installer

Version:
3.47.4.20

MD5:
ebee7a6370866ca9d6ad5c8e543efece

SHA-1:
7d4c59cb72729b8ea9e745069ada62141c842536

SHA-256:
070eccf887aff75f329a1065f0f48522f275dfcbfb3cbdc87a70007a8f3b0194

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 3:59:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Sien (M)
17.3.16.8

File size:
3.6 MB (3,824,264 bytes)

Product version:
3.47.4.20

Copyright:
Copyright (C) 2015

Original file name:
Installer.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\1stbrowser.exe

Digital Signature
Signed by:
SIEN SA

Authority:
GlobalSign nv-sa

Valid from:
9/14/2015 5:05:56 AM

Valid to:
9/14/2016 5:05:56 AM

Subject:
CN=SIEN SA, O=SIEN SA, L=Paris, C=FR

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

Serial number:
11213DB3C4AD369B17F720086E1BBB7BB700

File PE Metadata
Compilation timestamp:
11/19/2015 5:39:22 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x207681

Entry point:
E8, 05, 40, 02, 00, E9, 39, FE, FF, FF, 8B, 4D, F4, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, C3, 8B, 4D, F0, 33, CD, E8, CB, AD, FF, FF, E9, DD, FF, FF, FF, 8B, 4D, EC, 33, CD, E8, BC, AD, FF, FF, E9, CE, FF, FF, FF, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53, 56, 57, 89, 28, 8B, E8, A1, 90, 04, 72, 00, 33, C5, 50, FF, 75, FC, C7, 45, FC, FF, FF, FF, FF, 8D, 45, F4, 64, A3, 00, 00, 00, 00, C3, 50, 64, FF, 35, 00, 00, 00, 00, 8D, 44, 24, 0C, 2B, 64, 24, 0C, 53...
 
[+]

Entropy:
6.4528

Code size:
2.5 MB (2,635,264 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to www.softologic.com  (174.37.181.31:80)

TCP (HTTP SSL):
Connects to www.ibbalance.com  (173.192.190.227:443)

Remove 1stbrowser.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.