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primaryresultuninstaller.exe

Primary Result

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application primaryresultuninstaller.exe by Primary Result has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The file has been seen being downloaded from install.getmyprimaryresult.com.
Publisher:
Primary Result  (signed and verified)

Version:
1.0.0.0

MD5:
01235f7625cc4dad1ce301bc2c7e1e6b

SHA-1:
8432ac42a475928ee47e97ad513213e76dae6c90

SHA-256:
e0854b142fb77236e926f747ef521b94746fc243c7b47d44dc11c6ac73e734ab

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:
12/26/2024 8:12:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.PrimaryResult.Installer (M)
16.2.15.3

File size:
540.7 KB (553,720 bytes)

Product version:
1.0.0.0

Original file name:
Primary Result Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\primaryresultuninstaller.exe

Digital Signature
Signed by:
Primary Result

Authority:
VeriSign, Inc.

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

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

Subject:
CN=Primary Result, O=Primary Result, 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:
5A8A8EB89241677A4F3C653900D6D12E

File PE Metadata
Compilation timestamp:
3/14/2015 11:06:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:wPzDmjFmvafYkJj3B7hmmSpZhtvO5e2Bt:DLYo97hapZhN9wt

Entry address:
0x85267

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
525 KB (537,600 bytes)

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

http://install.getmyprimaryresult.com/ud

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