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BrassSearch.OptChecker.dll

Brass Search

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

Version:
1.0.5546.31173

MD5:
7d49ad68d247252e10b95b5bf37512df

SHA-1:
247c1ae738af62cd66345e1a019b93d36dc08bb6

SHA-256:
789e4ac905e9f7343898ddb83cbcc14a46c2d01e91eba336c4ab1a1367e91435

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:
5/2/2024 9:57:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.6

File size:
883.3 KB (904,488 bytes)

Product version:
1.0.5546.31173

Original file name:
BrassSearch.OptChecker.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\brass search\bin\plugins\brasssearch.optchecker.dll

Digital Signature
Signed by:
Brass Search

Authority:
VeriSign, Inc.

Valid from:
3/14/2014 3:00:00 AM

Valid to:
3/15/2015 2:59:59 AM

Subject:
CN=Brass Search, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Brass Search, L=Santa Monica, 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:
79A7A4116AA48D85E401C00C69AD38D7

File PE Metadata
Compilation timestamp:
3/10/2015 4:19:13 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xDCBC2

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00...
 
[+]

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

Code size:
875 KB (896,000 bytes)

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