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zebar.browserfilter.helper.dll

Zebar

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module zebar.browserfilter.helper.dll by Zebar has been detected as adware by 2 anti-malware scanners.
Publisher:
Zebar  (signed and verified)

MD5:
360cd342a1c6e3e71f88ebb53a85edbb

SHA-1:
e95991e1faa387d7e493be1ba0dc7372f0993250

SHA-256:
ce21e3ffb335c4b27589da7d385ae3cac85b164f81bb2ed07728d68811a4bc1d

Scanner detections:
2 / 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:
5/3/2024 9:07:45 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Zebrar
2015.0.3472

Reason Heuristics
Adware.Yontoo.Zebar.Y
14.5.19.1

File size:
388.8 KB (398,104 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\zebar\zebar.browserfilter.helper.dll

Digital Signature
Signed by:
Zebar

Authority:
VeriSign, Inc.

Valid from:
3/10/2014 5:30:00 AM

Valid to:
3/11/2015 5:29:59 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:
5/9/2014 5:40:02 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:KRLdBzWsg2wx/LuLKcKURL1qUJbO8G+/bxpzwE/NO55AdmuLbahZO4Asa7myL:GLdHsLer7pNO8Gmxph1OYCDOcKN

Entry address:
0x1A2DA

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, F5, 61, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 40, D4, 05, 10, 89, 0D, 3C, D4, 05, 10, 89, 15, 38, D4, 05, 10, 89, 1D, 34, D4, 05, 10, 89, 35, 30, D4, 05, 10, 89, 3D, 2C, D4, 05, 10, 66, 8C, 15, 58, D4, 05, 10, 66, 8C, 0D, 4C, D4, 05, 10, 66, 8C, 1D, 28, D4, 05, 10, 66, 8C, 05, 24, D4, 05, 10, 66, 8C, 25, 20, D4, 05, 10, 66, 8C, 2D, 1C, D4, 05, 10, 9C, 8F, 05, 50, D4...
 
[+]

Entropy:
4.9089

Code size:
174 KB (178,176 bytes)

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