setup.exe

diamondata

This is the installer and setup program from the diamondata branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating background service that will update the software with additional features. The application setup.exe by diamondata has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
diamondata  (signed and verified)

MD5:
8bc3dc4eb65f792c84c693236f0d8f78

SHA-1:
1e323715466ec80de4b82d53b51b5fc96385cdc9

SHA-256:
2157e85a17455aeb346fd5617b1befb762cfd2df64a6a6d8e5022f81f7dd8ed3

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/19/2024 2:09:48 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Plugin.100
9.0.1.0347

ESET NOD32
Win32/BrowseFox
7.9053

Malwarebytes
PUP.Optional.DiamonData.A
v2013.12.13.04

Reason Heuristics
PUP.Installer.diamondata.F
14.8.7.21

Trend Micro House Call
TROJ_GEN.F47V0905
7.2.347

VIPRE Antivirus
Trojan.Win32.Generic
23390

File size:
755.4 KB (773,568 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
8/12/2013 5:00:00 PM

Valid to:
8/13/2015 4:59:59 PM

Subject:
CN=diamondata, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=diamondata, L=San Diego, 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:
013DE313C00D49CFC0FA964B3315CD82

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:SuvrSdcHq/G/8v7k5Lhew9GumfYwR+Q++/v1MbKBpcxrwbj6SdcHq/G/8u:SS8v7AhDRiYwR+Q+Tbxxrs28u

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9856

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file setup.exe has been seen being distributed by the following URL.

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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