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Yulasee.Repmon.dll

Yula

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

Version:
1.0.5281.32246

MD5:
e1867fedbbd87f0fdf7d662191704052

SHA-1:
7b4fcb31f7cd1092441eed5346b8c2636b319647

SHA-256:
908e4f1c657a69bb57b8dacef49aaf121caeaa02ab3f8ef656039b6331480547

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:
4/26/2024 5:13:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Yula (M)
16.2.15.3

File size:
63.3 KB (64,792 bytes)

Product version:
1.0.5281.32246

Original file name:
Yulasee.Repmon.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
Yula

Authority:
VeriSign, Inc.

Valid from:
3/14/2014 5:00:00 PM

Valid to:
3/15/2015 4:59:59 PM

Subject:
CN=Yula, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yula, 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:
4B2C13D47B877663487D003C021E7110

File PE Metadata
Compilation timestamp:
6/17/2014 11:55:19 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
1536:3Ddb9Jo3Np3VJ9CMWUAKcL7aSJeDlCCTrz2Aht:3N9Jc3XWicX/JeMCTrz2AX

Entry address:
0xFA1E

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:
6.0284

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

Code size:
55 KB (56,320 bytes)

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