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AtuZi.Repmon.dll

AtuZi

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module AtuZi.Repmon.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:
1.0.5387.8801

MD5:
b8a2633cf0c8589072bd654eca561fc4

SHA-1:
eb18c37d1751cdd57464f695bff23db034fdf471

SHA-256:
0c2ee15434a44c055f5c7550e2d6740c19c9bd40e411a35a1a8b555ac40fc47b

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 5:31:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.AtuZi (M)
16.2.15.3

File size:
110.3 KB (112,920 bytes)

Product version:
1.0.5387.8801

Original file name:
AtuZi.Repmon.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
AtuZi

Authority:
VeriSign, Inc.

Valid from:
4/17/2014 7:00:00 AM

Valid to:
4/18/2015 6:59:59 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:
10/1/2014 12:53:32 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
3072:w3NZd3vFOrfHomCKhpg79uMeBM+v4piyl:w3jdfgrf6eTM8QYyl

Entry address:
0x1B7F2

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 54, C0, 01, 00, 80, 02, 00, 00, 00, 00, 00, 00, 80, 02, 34, 00, 00, 00, 56, 00, 53, 00, 5F, 00, 56, 00, 45, 00, 52, 00, 53, 00, 49, 00, 4F, 00, 4E, 00, 5F, 00, 49, 00...
 
[+]

Entropy:
6.1114

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

Code size:
102 KB (104,448 bytes)

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