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Yulasee.BOAS.dll

Yula

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

Version:
1.0.5464.24761

MD5:
cf5d6239d9fc5a03bfb0d2063b3818c4

SHA-1:
cbe14bbf816fdfb2ce5833a8f62aa1e85019fef0

SHA-256:
11e2daa2a61f5ee1f9fe868db0d19bba489cb8568dc7e1fbc336dcd391502ec4

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:
11/5/2024 5:55:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.9.11

File size:
2.7 MB (2,815,256 bytes)

Product version:
1.0.5464.24761

Original file name:
Yulasee.BOAS.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\yula\bin\plugins\yulasee.boas.dll

Digital Signature
Signed by:
Yula

Authority:
VeriSign, Inc.

Valid from:
3/14/2014 5:00:00 PM

Valid to:
3/15/2015 4:59:59 PM

Subject:
CN=Yula, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yula, 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:
4B2C13D47B877663487D003C021E7110

File PE Metadata
Compilation timestamp:
12/17/2014 5:45:39 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x2AF3F2

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 54, 00, 2B, 00, 8C, 02, 00, 00, 00, 00, 00, 00, 8C, 02, 34, 00, 00, 00, 56, 00, 53, 00, 5F, 00, 56, 00, 45, 00, 52, 00, 53, 00, 49, 00, 4F, 00, 4E, 00, 5F, 00, 49, 00...
 
[+]

Entropy:
7.9120

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

Code size:
2.7 MB (2,806,784 bytes)

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