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:
1.0.5559.2640

MD5:
4be097075d6d7cf5931f59219b8e5e81

SHA-1:
1db555d148cad9fe2c05e496b300ea432ea9a78a

SHA-256:
cf1d308e0c097bdc043cae48aa59877b515d9a720a036c8d3d853a53384289bc

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:
12/24/2024 11:12:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.3

File size:
875.7 KB (896,760 bytes)

Product version:
1.0.5559.2640

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:

Authority:
VeriSign, Inc.

Valid from:
3/12/2015 3:00:00 AM

Valid to:
4/11/2016 2:59:59 AM

Subject:
CN=Brass Search, 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:
14B70763F7359103960BFC81500A256C

File PE Metadata
Compilation timestamp:
3/22/2015 12:28:07 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xDAC46

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...
 
[+]

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

Code size:
867.5 KB (888,320 bytes)

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