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brownbarkbho.dll

brown bark

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module brownbarkbho.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. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘brown bark’.
Publisher:
brown bark  (signed and verified)

Product:
brown bark

Version:
1.0.0.3

MD5:
5e3fb0a6e9fb39ba3eec6b833a4d92c3

SHA-1:
8a0da321c80774e8826311588ea8823627e6084d

SHA-256:
4ae1b1f053910284bd91bb388af6deddd7735831f58408f6f9eb7352b330a6ab

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 4:33:32 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.14.6

File size:
244.2 KB (250,096 bytes)

Product version:
1.0.0.3

Copyright:
(c) brown bark. All rights reserved.

Original file name:
brown barkIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\brown bark\brownbarkbho.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:
11/12/2014 4:35:57 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 80, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 24, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 0C, A5, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
brown bark

CLSID:
{5a47331d-9b3c-4e40-9058-bbcb805f2564}


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