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Desktop.OS.dll

Desktop

Yontoo LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module Desktop.OS.dll by Yontoo has been detected as adware by 8 anti-malware scanners.
Publisher:
Yontoo LLC  (signed and verified)

Product:
Desktop

Description:
VGCDesktop.OS

Version:
1.0.0.0

MD5:
57a83a189896ae2ca6ff9d1b959302f2

SHA-1:
d2271dc1a2cf976d6ec5c8f4dd337867e1551172

SHA-256:
de618681ddfcf061574efc339fc7e7084d2d2c9c587cbaff322df4d6aed680e5

Scanner detections:
8 / 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:
12/23/2024 11:50:05 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

AVG
AdInject.Yontoo
2016.0.2989

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Adware.Plugin.172
9.0.1.0255

McAfee
Artemis!5CA1D935D6BD
5600.6645

Reason Heuristics
PUP.Yontoo (M)
15.9.12.7

Trend Micro House Call
TROJ_GEN.R047H05CA15
7.2.255

Trend Micro
TROJ_SPNV.03J713
10.465.12

VIPRE Antivirus
Yontoo
39048

File size:
62.3 KB (63,776 bytes)

Product version:
1.0.0.0

Original file name:
Desktop.OS.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\users\{user}\desktop.os.dll

Digital Signature
Signed by:
Yontoo LLC

Authority:
VeriSign, Inc.

Valid from:
1/2/2014 7:00:00 PM

Valid to:
2/2/2015 6:59:59 PM

Subject:
CN=Yontoo LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yontoo LLC, L=Carlsbad, 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:
3AED60574343204F777D640FE767E84C

File PE Metadata
Compilation timestamp:
5/12/2014 7:44:16 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
768:FR7iImIxN0VcwZSUgVKtU9SpeJ+9C/HjIvDUQqiuhLosn93BwFwLVU7:FRmImlqwZgK29SpeJUADI3ALtRBwFwLy

Entry address:
0xF6AE

Entry point:
FF, 25, 00, 20, 00, 10, 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:
5.9324

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

Code size:
54 KB (55,296 bytes)

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