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pinetreeuninstall.exe

Pine Tree

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application pinetreeuninstall.exe by Pine Tree 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.
Publisher:
Pine Tree  (signed and verified)

MD5:
2aacd95aaa545c92e00b0085e03311f9

SHA-1:
f195a17ecc40a3b75bd37377ec6af097e609651c

SHA-256:
2db11cbc5d97e30094200501e69d132524a5d5ae37b4e9b777153e182173f56a

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:
5/16/2024 5:14:31 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.17

File size:
243.4 KB (249,248 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\pine tree\pinetreeuninstall.exe

Digital Signature
Signed by:
Pine Tree

Authority:
VeriSign, Inc.

Valid from:
1/11/2015 9:00:00 AM

Valid to:
1/12/2016 8:59:59 AM

Subject:
CN=Pine Tree, O=Pine Tree, L=Sna 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:
7474B1E151ED589FE9418816EE9BA66C

File PE Metadata
Compilation timestamp:
12/6/2009 7:52:01 AM

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:
7.8579

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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