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portalmoreuninstall.exe

PortalMore

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application portalmoreuninstall.exe by PortalMore has been detected as adware by 4 anti-malware scanners. 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 PortalMore by PortalMore. 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:
PortalMore  (signed and verified)

MD5:
8ed508a86d3dc18a504be75a28390254

SHA-1:
0badc7e6d20f6d93263004177d8a709de7e26b59

SHA-256:
049bdf076404055515f0b11c89f50c6c749dfae45a4bbd25b24b0c7e285a8260

Scanner detections:
4 / 68

Status:
Adware

Explanation:
This is the installer/uninstaller for the Yontoo branded (portalmore) adware program. The main protgram is desigend to deliver advertisements to the user's web browser through injection.

Analysis date:
5/7/2024 11:25:38 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
PortalMore
2015.0.3304

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141031

ESET NOD32
Win32/BrowseFox.C potentially unwanted application
7.0.302.0

Reason Heuristics
Adware.Yontoo.PortalMore.T
14.10.31.19

File size:
254.6 KB (260,680 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\portalmore\portalmoreuninstall.exe

Digital Signature
Signed by:
PortalMore

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 8:00:00 PM

Valid to:
10/8/2015 7:59:59 PM

Subject:
CN=PortalMore, O=PortalMore, L=Santa Monica, 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:
14DCC59945E4B46B41587E1F633D56C1

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:PZ+11D+c49/y/1RWBT5+yWSXetT4BwwZm/G/HcYk:WEs1s15rStT4ep/G/8F

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:
7.8728

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Program Uninstaller
Program name:
PortalMore

Display publisher:
PortalMore

Display version:
2014.10.29.182723

Uninstall string:
C:\Program Files (x86)\PortalMore\PortalMoreuninstall.exe


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