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BringStar.BrowserFilter.dll

BringStar

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module BringStar.BrowserFilter.dll 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:
1.0.5413.7290

MD5:
ddb850ef3cf5afc37491598f90da032a

SHA-1:
158aa085e34641596744e1856203de55202cb300

SHA-256:
b0734f1d60f7ba6da44b3edbde044a3e1c63c9516a4b981447934d149c687fcf

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:
5/10/2024 8:21:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.1

File size:
643.8 KB (659,232 bytes)

Product version:
1.0.5413.7290

Original file name:
BringStar.BrowserFilter.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\bringstar\bin\plugins\bringstar.browserfilter.dll

Digital Signature
Signed by:
BringStar

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 1:00:00 AM

Valid to:
1/10/2015 12:59:59 AM

Subject:
CN=BringStar, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
0690B649CE1A1DFAAC570B0AAE6E5D30

File PE Metadata
Compilation timestamp:
10/27/2014 1:03:06 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xA0C62

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, 02, 00, 00, 00, 78, 00, 00, 00, A4, 0C, 0A, 00, A4, EE, 09, 00, 52, 53, 44, 53, B5, 93, 09, AC, FB, 32, 28, 42, AC, F7, 5E, F1, 34, D9, BF, 9F, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 71, 74, 61, 63, 6F, 69, 63, 6A, 2E, 6E, 35, 73, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

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

Code size:
635.5 KB (650,752 bytes)

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