home

primarycolorsetup.exe

Primary Color

This is the installer and setup program from the Primary Color 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 Windows service that will update the software with additional features. The application primarycolorsetup.exe by Primary Color has been detected as adware by 18 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:
Primary Color  (signed and verified)

MD5:
7ee088cceb136496e619c16b00817214

SHA-1:
f9047115b1a417a6705208855ffda13a96fca786

SHA-256:
50a3299b5fecab7d054998726f5646f5ec6416047dbf93be3691f862b4168303

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
11/28/2024 8:42:55 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen
8.3.1.6

AVG
Could be an adware BrowseFox
2014.0.4311

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15523

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1837
9.0.1.05190

ESET NOD32
Win32/BrowseFox.AV potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.9.0

K7 AntiVirus
Unwanted-Program
13.204.16010

Kaspersky
not-a-virus:HEUR:AdWare.NSIS.Zaitu
14.0.0.1996

Malwarebytes
PUP.Optional.PrimaryColor.A
v2015.05.23.05

McAfee
Trojan.Artemis!7EE088CCEB13
18.0.204.0

NANO AntiVirus
Trojan.Win32.Siggen6.droatj
0.30.24.1636

Panda Antivirus
PUP/BrowseFox
15.05.23.05

Qihoo 360 Security
Win32/Virus.Adware.80e
1.0.0.1015

Reason Heuristics
PUP.Yontoo.Installer
15.5.23.16

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15521

VIPRE Antivirus
Threat.4150696
40432

File size:
454.3 KB (465,176 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\primarycolorsetup.exe

Digital Signature
Signed by:
Primary Color

Authority:
VeriSign, Inc.

Valid from:
1/15/2015 1:00:00 AM

Valid to:
1/16/2016 12:59:59 AM

Subject:
CN=Primary Color, O=Primary Color, 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:
25DC34062844409A5E421392BA5A17B2

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:6CoZWpG1s15Ap/G/8g3D0Fw/tN8dkmLtpHHHrh73:6COb6j8gz0FmcLbH13

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 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)

Remove primarycolorsetup.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.