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brownbark.purbrowseg.dll

brown bark

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

Version:
1.0.5495.4547

MD5:
cc3d8eefc56c15c0f5661dec3c1b4f9a

SHA-1:
a14671aec48340ce6eaeae3be2bd2dafa852ec3e

SHA-256:
cab4a6a7aaf49bebd610b4bf3e8aea8a1e17857095d2e4cb4a593aff08ac6797

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:
5/21/2024 4:30:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.4

File size:
935.7 KB (958,192 bytes)

Product version:
1.0.5495.4547

Original file name:
brownbark.PurBrowseG2015011710.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\brown bark\bin\plugins\brownbark.purbrowseg.dll

Digital Signature
Signed by:
brown bark

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 9:00:00 PM

Valid to:
8/5/2015 8:59:59 PM

Subject:
CN=brown bark, O=brown bark, 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:
0656C30F8D16BCF3A8FDB0181DC60FCD

File PE Metadata
Compilation timestamp:
1/17/2015 8:31:43 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xE9D72

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:
927.5 KB (949,760 bytes)

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