home

setup.exe

PlurPush

This is the installer and setup program from the PlurPush 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 PlurPush has been detected as adware by 13 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:
PlurPush  (signed and verified)

MD5:
222ec5f7b3937f2662ab89e976b01dac

SHA-1:
aed6e3d740979f547a65a3c540636afdb2afc931

SHA-256:
36a22fca8fa0c6ca443e96530db36c64f6b1c4654fe5ae6c4257e7a6c4912c5f

Scanner detections:
13 / 68

Status:
Adware

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

Analysis date:
1/15/2025 4:57:48 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.Generic
2015.0.3507

Comodo Security
Application.Win32.Altbrowse.AK
18088

Dr.Web
Trojan.BPlug.22
9.0.1.0101

ESET NOD32
Win32/BrowseFox (variant)
8.9668

G Data
Win32.Application.BrowseFox
14.4.24

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.4030

Malwarebytes
PUP.Optional.PlurPush.A
v2014.04.11.11

NANO AntiVirus
Riskware.Win32.Agent.cuenda
0.28.0.59048

Reason Heuristics
PUP.Installer.PlurPush.F
14.8.8.0

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14409

SUPERAntiSpyware
Adware.BrowseFox/Variant
10671

Trend Micro House Call
TROJ_GE.32BD883C
7.2.101

VIPRE Antivirus
Yontoo
28196

File size:
2 MB (2,071,480 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:
PlurPush

Authority:
VeriSign, Inc.

Valid from:
9/18/2013 7:00:00 PM

Valid to:
9/19/2015 6:59:59 PM

Subject:
CN=PlurPush, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=PlurPush, 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:
30ACE095C6EE9F3C39428EB86ECAFADF

File PE Metadata
Compilation timestamp:
12/5/2009 4:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:LKF8M8aU5Gz0gCPrf4Clb3lVlr/TKl8Ha:LKujaUgz0xD4CnKO6

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, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9975

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.

http://install-cdn.plurpush.net/setup.exe

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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