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atuzi.ofsvc.dll

AtuZi

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

Version:
1.0.5495.30334

MD5:
d0c38ad22466145b053076b04597f3af

SHA-1:
9b738011e2238ea191d44044d771b7effc507660

SHA-256:
5bc88e8d7a1076c7834405e41403952588412616e39e5378a7452563cab9ea01

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:
4/19/2024 2:54:06 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.7.18

File size:
2 MB (2,135,320 bytes)

Product version:
1.0.5495.30334

Original file name:
AtuZi.OfSvc2015011800.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\atuzi\bin\plugins\atuzi.ofsvc.dll

Digital Signature
Signed by:
AtuZi

Authority:
VeriSign, Inc.

Valid from:
4/17/2014 8:00:00 AM

Valid to:
4/18/2015 7:59:59 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:
1/18/2015 8:52:13 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x2092B6

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, 6E, 00, 00, 00, F8, 92, 20, 00, F8, 74, 20, 00, 52, 53, 44, 53, 53, 83, AC, 9D, 52, 1E, 4B, 49, 97, 2B, 53, 91, 5E, 2F, AB, 83, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 6D, 30, 6C, 62, 6B, 6C, 77, 65, 2E, 73, 78, 72, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.2898

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

Code size:
2 MB (2,126,848 bytes)

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