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betarez.purbrowseg.dll

Beta Rez

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

Version:
1.0.5585.21446

MD5:
bd2d1635efff93c27e95e929f82a0c16

SHA-1:
9c251940b5e4b4bee2fd96efbe504b3b289b3b85

SHA-256:
ee7d6b7cf3c624b669decf99c2c0a25ba08cf53cdfde5308625393948d078ac1

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:
4/6/2026 1:14:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.2.25.3

File size:
1 MB (1,067,760 bytes)

Product version:
1.0.5585.21446

Original file name:
BetaRez.PurBrowseG2015041719.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\beta rez\bin\plugins\betarez.purbrowseg.dll

Digital Signature
Signed by:
Beta Rez

Authority:
VeriSign, Inc.

Valid from:
3/11/2015 3:00:00 AM

Valid to:
4/10/2016 2:59:59 AM

Subject:
CN=Beta Rez, O=Beta Rez, 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:
1EFCFAF7CDCBA99CF6B0644BA639545E

File PE Metadata
Compilation timestamp:
4/17/2015 10:54:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x10485A

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:
7.0034

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

Code size:
1 MB (1,059,328 bytes)

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