home

26618c40_stp.exe

browse pulse

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application 26618c40_stp.exe by browse pulse has been detected as adware by 20 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:
browse pulse  (signed and verified)

Version:
2.0.5589.15544

MD5:
740efc98a2043d489ee591b123b158f0

SHA-1:
2aac80f8d867c9ee3fdcee2c612783c55084050e

SHA-256:
73c0db528fa42b3532241da8b588a33408361c27855b8167d8f2389d1da821f4

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/19/2024 12:34:43 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.CJ
647

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.04.08

AVG
Generic
2016.0.3125

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15428

Bitdefender
Adware.BrowseFox.CJ
1.0.20.590

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Browsefox-725
0.98/21511

Dr.Web
Trojan.Yontoo.1735
9.0.1.0209

Emsisoft Anti-Malware
Adware.BrowseFox.CJ
8.15.04.28.04

F-Secure
Adware.BrowseFox.CJ
11.2015-28-04_3

G Data
Win32.Adware.StrongSignal
15.4.25

herdProtect (fuzzy)
variant of setup.exe (Adware)
2015.7.28.19

MicroWorld eScan
Adware.BrowseFox.CJ
16.0.0.354

nProtect
Adware.BrowseFox.CJ
15.04.20.01

Panda Antivirus
PUP/BrowsePulse
15.04.28.04

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

Reason Heuristics
Threat.Yontoo.Installer
15.4.28.12

Sophos
Browse Fox
4.98

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.26.3

VIPRE Antivirus
Threat.4741131
38552

File size:
292.2 KB (299,256 bytes)

Product version:
2015.04.21

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\26618c40_stp.exe

Digital Signature
Signed by:
browse pulse

Authority:
VeriSign, Inc.

Valid from:
3/5/2015 6:00:00 PM

Valid to:
3/5/2016 5:59:59 PM

Subject:
CN=browse pulse, O=browse pulse, 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:
57CD114A677C4F8533B1413CC2EF840F

File PE Metadata
Compilation timestamp:
6/4/2014 6:58:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:iQ3Y1P/nM3DoFFjuvf/toNQ8dqLuJoU0U7Hd8CntQOHHM+HFFTjXdpNnT2B:YhnM3D0Fw/tN8dkmLtpHHHrh7i

Entry address:
0x31E4

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, E0, 73, 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, B8, 6C, 44, 00, E8, 1B, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 6B, 44, 00, 8D, 44, 24, 38, 50, 53, 68, DB, 73, 40, 00, FF, 15, 58, 71, 40, 00, 68, D0, 73, 40, 00, 68, C0, 2B, 44, 00, E8, 0D, 24, 00, 00, FF, 15, AC, 70, 40, 00, 50, BF, 00, F0, 46, 00, 57, E8, FB, 23, 00, 00...
 
[+]

Entropy:
7.9405

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

Remove 26618c40_stp.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.