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brasssearch.expext.dll

Brass Search

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module brasssearch.expext.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:
1.0.5546.36492

MD5:
7406f52fbeec6cd6b1f3d893d3a102be

SHA-1:
400c3614481f9c0851fdc4fd8ffa6aaedeec6e22

SHA-256:
7df1285acdeb43e457466d241f7503ce868c8811e50dcda46d94e62ccf3d198b

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:
11/23/2024 6:22:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.6

File size:
499.3 KB (511,272 bytes)

Product version:
1.0.5546.36492

Original file name:
BrassSearch.ExpExt2015031004.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\brass search\bin\plugins\brasssearch.expext.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 7:16:36 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7CBB2

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, C0, 07, 00, 0C, 00, 00, 00, B4, 3B, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
491 KB (502,784 bytes)

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