atuzibho.dll

AtuZi

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module atuzibho.dll by AtuZi 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 ‘AtuZi 1.0.0.6’.
Publisher:
AtuZi  (signed and verified)

Product:
AtuZi

Version:
1.0.0.6

MD5:
f87e33a0e2eabae5a9f50f0b7114a4d6

SHA-1:
f037d3c0b195c346550f90e76e8002ca3765ea23

SHA-256:
33235a1eb396936a4f2e9254ee561b5d3ce8abcaf0ae2e3481398e375de8fffe

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:
4/20/2024 12:19:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.11

File size:
244.3 KB (250,136 bytes)

Product version:
1.0.0.6

Copyright:
(c) AtuZi. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\atuzi\atuzibho.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
4/17/2014 4:00:00 AM

Valid to:
4/18/2015 3:59:59 AM

Subject:
CN=AtuZi, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=AtuZi, 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:
1095EBEC0EFD96E9E4C801DCA0909C26

File PE Metadata
Compilation timestamp:
1/6/2015 2:34:37 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, 50, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, A4, 77, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, DC, A4, 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:
6.3549

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
AtuZi 1.0.0.6

CLSID:
{f56d588c-326b-493e-b6d4-145a03d5c64e}


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