megabrowsebho.dll

Mokiray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module megabrowsebho.dll by Mokiray 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 ‘Mega Browse 1.0.0.6’.
Publisher:
Mega Browse  (signed by Mokiray)

Product:
Mega Browse

Version:
1.0.0.6

MD5:
28a3e497dc852a49fd57f630207beed2

SHA-1:
e418923c55541ffc42d12e3fa5d7b8ed6829a5d1

SHA-256:
4d65f7182d838eea9b9772daf9717e985f207a1caec7d3971b8d068e67f6c54f

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:
5/14/2024 3:08:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.20.6

File size:
244.8 KB (250,648 bytes)

Product version:
1.0.0.6

Copyright:
(c) Mega Browse. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\mega browse\megabrowsebho.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 5:30:00 AM

Valid to:
1/23/2015 5:29:59 AM

Subject:
CN=Mokiray, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Mokiray, L=San Diego, 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:
6190556C04EEBA4051F111670BD7D546

File PE Metadata
Compilation timestamp:
1/7/2015 5:26:08 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, 90, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 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, 1C, 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...
 
[+]

Entropy:
6.3528

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
Mega Browse 1.0.0.6

CLSID:
{4e6cd411-ce62-4584-97ff-6afbcf6900af}


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