» yontooclientsetup.exe
Overview
Analysis
File Details
Network (3)

yontooclientsetup.exe

Yontoo Layers

Yontoo Technology, Inc.

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application yontooclientsetup.exe by Yontoo Technology has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. While running, it connects to the Internet address api.yontoo.com on port 80 using the HTTP protocol.

File name:

Publisher:

Theme Your World LLC (signed by Yontoo Technology, Inc.)

Product:

Yontoo Layers

Description:

Installer

Version:

2011.4.11.1426

MD5:

aa4254bc7524e1b9f5090c71c73de217

SHA-1:

d7931828abfd629061ed9a2f4d2a4f277b15492b

SHA-256:

912179d0ecdc92a6d678af393146007809847f46962e08f4e5de23a40958a003

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:

4/25/2024 10:15:45 PM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.Yontoo.YontooTechnology.Installer (M)

15.12.18.9

File size:

887.8 KB (909,056 bytes)

Product version:

1.10.01

File type:

Executable application (Win32 EXE)

Language:

Language Neutral

Common path:

C:\users\{user}\downloads\yontooclientsetup.exe

Digital Signature

Signed by:

Yontoo Technology, Inc.

Authority:

GoDaddy.com, Inc.

Valid from:

9/2/2009 1:41:20 PM

Valid to:

9/2/2012 1:41:20 PM

Subject:

CN="Yontoo Technology, Inc.", OU=Product Development, O="Yontoo Technology, Inc.", L=Carlsbad, S=CA, C=US

Issuer:

SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:

6A08909DDA7B

File PE Metadata

Compilation timestamp:

8/19/2010 7:08:13 PM

OS version:

4.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

8.0

CTPH (ssdeep):

24576:svEBP9nXJSROvMoPZLSc23eNiQzJiq0d:ssnn5SRO0bc2el9i

Entry address:

0x1627

Entry point:

55, 8B, EC, 81, EC, 58, 0B, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, A8, F4, FF, FF, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 00, 40, 40, 00, FF, 15, 70, 30, 40, 00, 89, 45, F8, 8D, 85, B8, FC, FF, FF, 50, C7, 85, B8, FC, FF, FF, 14, 01, 00, 00, FF, 15, 6C, 30, 40, 00, 85, C0, 75, 21, FF, 15, 14, 30, 40, 00, 50, 68, 30, 34, 40, 00, E8, 40, FA, FF, FF, 59, C7, 05, 04, 40, 40, 00, FF, 00, 00, 00, E9, C5, 01, 00, 00, 68, 1C, 34, 40, 00, 68, 0C, 34, 40, 00, FF, 15, 68, 30, 40, 00, 50, FF, 15, 64, 30, 40, 00, 3B... 
[+]

Entropy:

7.9941

Developed / compiled with:

Microsoft Visual C++

Code size:

7.5 KB (7,680 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):

Connects to wac.edgecastcdn.net (72.21.81.13:80)

TCP (HTTP):

Connects to service.yontoo.com (8.25.35.148:80)

TCP (HTTP):

Connects to api.yontoo.com (8.25.35.15:80)

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