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utilbringstar.exe

BringStar

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilbringstar.exe by BringStar has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
BringStar  (signed and verified)

Version:
1.0.5523.13349

MD5:
9583397d5e65808f6e02eb8db731c0f8

SHA-1:
f4581b1ab98be4726141a9c08ce23bc00542f5cc

SHA-256:
0c332d87d11b9c29237392663e08504840ce86531a3e401dade86e01f1cf849f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
11/30/2024 9:00:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.28.5

File size:
391.7 KB (401,136 bytes)

Product version:
1.0.5523.13349

Original file name:
BringStar2015021415.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\bringstar\bin\utilbringstar.exe

Digital Signature
Signed by:
BringStar

Authority:
VeriSign, Inc.

Valid from:
12/23/2014 9:00:00 AM

Valid to:
2/22/2016 8:59:59 AM

Subject:
CN=BringStar, O=BringStar, L=San Diego, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
66E0550F19C158AF6136E70A1C576091

File PE Metadata
Compilation timestamp:
2/15/2015 12:25:13 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x61B72

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.4511

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
383 KB (392,192 bytes)

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