Zebar.BOAS.dll

Zebar

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

Version:
1.0.5491.4953

MD5:
8f1d9192075a86e32c3122121035c5e9

SHA-1:
ccf2ddeba4438b3ad18653a9bdf11beade6bd05f

SHA-256:
475ca0ff1744eba82d15128078185ac1aedd13238ad47d1ffd5a0782b5ac485a

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:
4/26/2024 8:18:34 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Zebar (M)
16.2.15.12

File size:
2.7 MB (2,815,768 bytes)

Product version:
1.0.5491.4953

Original file name:
Zebar.BOAS.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/10/2014 1:00:00 AM

Valid to:
3/11/2015 12:59:59 AM

Subject:
CN=Zebar, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Zebar, 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:
443A7E0E2025885A74F146162C4BEE38

File PE Metadata
Compilation timestamp:
1/13/2015 3:45:20 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:0/wEWvSdA3De5ArhKuV365BGmi8UdDdhbi9VZZXN:0/wnIArhKUj8iBh27t

Entry address:
0x2AF45E

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:
2.7 MB (2,807,296 bytes)

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