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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 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:
PortalMore  (signed and verified)

MD5:
9a20ef928c15413e6e7137644c0b1bc3

SHA-1:
3fa8827f85f427b587719b3d37f8cb2e1cf5bae5

SHA-256:
7834c7a530285a21fcd14c51dbf6a080a50d556119293c812001cd52403c7d3d

Scanner detections:
1 / 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:
11/5/2024 2:54:39 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.4.17

File size:
254 KB (260,080 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:
DigiCert Inc

Valid from:
6/8/2014 7:00:00 PM

Valid to:
6/17/2015 7:00:00 AM

Subject:
CN=PortalMore, O=PortalMore, L=Santa Monica, S=California, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0EBE0142555C3B0E57555883DE1E0967

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

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...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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