164ea663_stp.exe

Between Lines

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application 164ea663_stp.exe by Between Lines has been detected as adware by 13 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:
Between Lines  (signed and verified)

MD5:
e1a235bc66c993d8c7e99430f8ee71d5

SHA-1:
62b2d2250ce514baaddc26d0d2d6b11884fb5dbf

SHA-256:
04395e80126fa00d45585ff140798e187236e145d1eced1235343762941453fb

Scanner detections:
13 / 68

Status:
Adware

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

Analysis date:
4/26/2024 10:40:32 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.03.27

AVG
BrowseFox
2016.0.3158

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15327

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

ESET NOD32
Win32/BrowseFox.C potentially unwanted application
7.0.302.0

G Data
NSIS.Application.BrowseFox
15.3.25

herdProtect (fuzzy)
2015.7.2.1

NANO AntiVirus
Trojan.Nsis.BrowseFox.dnxihk
0.30.8.659

Reason Heuristics
PUP.Installer.Yontoo
15.3.27.7

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15325

Sophos
Browse Fox
4.98

VIPRE Antivirus
Threat.4150696
38552

File size:
465 KB (476,160 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\164ea663_stp.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
2/23/2015 3:00:00 AM

Valid to:
2/24/2016 2:59:59 AM

Subject:
CN=Between Lines, O=Between Lines, 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:
0BAD3D665CB44E6E0042FF4A69E2ACFE

File PE Metadata
Compilation timestamp:
12/6/2009 1:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:zk80h6azt61s15Ap/G/8/3D0Fw/tN8dkmLtpHHHrh7T:z55azw6j8/z0FmcLbH1T

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:
7.9741

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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