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147f230b_stp.exe

EnterDigital

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application 147f230b_stp.exe by EnterDigital has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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. It is also typically executed from the user's temporary directory.
Publisher:
EnterDigital  (signed and verified)

MD5:
3f18ceafeb5cce6f4d4ea635775646ea

SHA-1:
37e2aefe0a4227626aef80d1f3e47350a4d17ac4

SHA-256:
b8a20ee56bc0771d3ffc1a75865c4ac95fa1047caaa2c0b023ce7f1ff830280d

Scanner detections:
21 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/27/2024 4:22:57 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.U
775

Avira AntiVirus
Adware/BrowseFox.aoj
7.11.188.28

avast!
NSIS:BrowseFox-D [PUP]
2014.9-141222

AVG
EnterDigital
2015.0.3253

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141222

Bitdefender
Adware.BrowseFox.U
1.0.20.1780

Dr.Web
Trojan.BPlug.181
9.0.1.0356

Emsisoft Anti-Malware
Adware.BrowseFox.U
8.14.12.22.02

ESET NOD32
Win32/BrowseFox
8.10764

F-Secure
Adware.BrowseFox.U
11.2014-22-12_2

G Data
Adware.BrowseFox
14.12.24

K7 AntiVirus
Unwanted-Program
13.185.14098

Kaspersky
not-a-virus:AdWare.Win64.Agent
14.0.0.2759

Malwarebytes
PUP.Optional.BPlug
v2014.12.22.02

MicroWorld eScan
Adware.BrowseFox.U
15.0.0.1068

NANO AntiVirus
Trojan.Win32.BPlug.dfsehz
0.28.6.63474

nProtect
Adware.BrowseFox.U
14.11.21.01

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.EnterDigital.M
14.12.22.2

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.141220

VIPRE Antivirus
Trojan.Win32.Generic
35016

File size:
569.8 KB (583,432 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\147f230b_stp.exe

Digital Signature
Signed by:
EnterDigital

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 4:30:00 AM

Valid to:
9/3/2015 4:29:59 AM

Subject:
CN=EnterDigital, O=EnterDigital, 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:
1E3B5C4453E4282F35D4B16FE677D245

File PE Metadata
Compilation timestamp:
12/6/2009 2:22:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:CWqjw9AHSbXb1s15Ap/G/8/3D0Fw/tN8dkmLtpHHHrh7maqFXFKy3TK:C9q6j8/z0FmcLbH1mdFK9

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:
7.9815

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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