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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:
1.0.5520.10049

MD5:
a253dec52e0412ebbdb2a3a2ff3ac227

SHA-1:
2e85ecbcb623c630911ccc692cfd65314777daac

SHA-256:
85e7d21390081e83f80888ad43db038efb97cdc30f8ab9d68cdfce9cd3ca6771

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:
5/8/2024 10:39:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.AtuZi (M)
16.2.14.14

File size:
2.4 MB (2,477,848 bytes)

Product version:
1.0.5520.10049

Original file name:
AtuZi.OfSvc2015021113.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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:
2/11/2015 9:35:03 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:JMcNVAP6FIb036f8uz1BXln25fmtF6vW7W1mP8:JG6FT3j41fn25fI8

Entry address:
0x25CC8E

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...
 
[+]

Entropy:
7.2592

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

Code size:
2.4 MB (2,469,376 bytes)

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