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megabrowse.ofsvc.dll

Mokiray

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

Version:
1.0.5471.38589

MD5:
2b1e2a831078237a191d6ad4ddc29101

SHA-1:
c94a26c970aa93dd2263e89a2636b94489843f2f

SHA-256:
3d965443e81a4f34ab8be2d9cd095dc9e58799017341ceb35d5be5d1c3e1da00

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 3:23:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.22.23

File size:
1.5 MB (1,581,848 bytes)

Product version:
1.0.5471.38589

Original file name:
MegaBrowse.OfSvc2014122505.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\mega browse\bin\plugins\megabrowse.ofsvc.dll

Digital Signature
Signed by:
Mokiray

Authority:
VeriSign, Inc.

Valid from:
1/21/2014 6:00:00 PM

Valid to:
1/22/2015 5:59:59 PM

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:
12/24/2014 11:26:26 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x1820BE

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, 02, 00, 00, 00, 73, 00, 00, 00, 00, 21, 18, 00, 00, 03, 18, 00, 52, 53, 44, 53, 99, 47, 19, DD, E7, 62, B0, 4A, 83, 29, 97, EE, 9F, 72, 16, CB, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 64, 67, 6F, 62, 75, 65, 6C, 65, 2E, 35, 6C, 34, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.7473

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

Code size:
1.5 MB (1,573,376 bytes)

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