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primarycoloruninstall.exe

Primary Color

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application primarycoloruninstall.exe by Primary Color has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This is the uninstaller utility registered in the Windows Control Panel for the program Primary Color by Primary Color.
Publisher:
Primary Color  (signed and verified)

MD5:
d3d9feb64cb03ce4e38bd876340b5711

SHA-1:
56cc0c8d914449433b0ae0d31b9c941f3bdedf9c

SHA-256:
66d59ad40c27beaed79863e35fff180ef3fbf778e143c23bc22dc499ffe5cb3b

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:
12/25/2024 2:17:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.7

File size:
242.1 KB (247,944 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\primary color\primarycoloruninstall.exe

Digital Signature
Signed by:
Primary Color

Authority:
VeriSign, Inc.

Valid from:
1/14/2015 6:00:00 PM

Valid to:
1/15/2016 5:59:59 PM

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 4:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

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:
7.8558

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Program Uninstaller
Program name:
Primary Color

Display publisher:
Primary Color

Display version:
2015.07.19.023036

Uninstall string:
C:\Program Files (x86)\Primary Color\PrimaryColoruninstall.exe


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