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6faa2b34_stp.exe

AppEnable

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application 6faa2b34_stp.exe by AppEnable has been detected as adware by 15 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:
AppEnable  (signed and verified)

MD5:
8a0fc4decb129f117b1e5f88b59cdf00

SHA-1:
768cd13bb775bacc580096fd66a7f0ef047f5d02

SHA-256:
42a528d22370a23a7fcc9af8f93f0e3c861a8f2eff8da3455bff52a646b8e798

Scanner detections:
15 / 68

Status:
Adware

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

Analysis date:
4/18/2024 10:08:01 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/BrowseFox.aok
7.11.188.32

avast!
NSIS:BrowseFox-D [PUP]
2014.9-141122

AVG
Generic
2015.0.3282

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141122

Dr.Web
Trojan.BPlug.181
9.0.1.0326

ESET NOD32
Win32/BrowseFox
8.10764

G Data
NSIS.Application.BrowseFox
14.11.24

K7 AntiVirus
Trojan
13.185.14098

Malwarebytes
PUP.Optional.BPlug
v2014.11.22.09

NANO AntiVirus
Trojan.Win32.BPlug.dfsehz
0.28.6.63474

Qihoo 360 Security
Win32/Virus.Adware.1f3
1.0.0.1015

Reason Heuristics
PUP.AppEnable.M
14.11.22.21

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.141120

Sophos
Browse Fox
4.98

VIPRE Antivirus
Trojan.Win32.Generic
35020

File size:
569.8 KB (583,472 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\6faa2b34_stp.exe

Digital Signature
Signed by:
AppEnable

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 8:00:00 AM

Valid to:
9/3/2015 7:59:59 AM

Subject:
CN=AppEnable, O=AppEnable, 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:
6860DA46B7B1033AEAA52297BEEE857A

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Jkyfnfv32gGp1s15Ap/G/8/3D0Fw/tN8dkmLtpHHHrh7G2Nx5RVsq:JNf32gGp6j8/z0FmcLbH1G2Bsq

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:
7.9814

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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