home

setup.exe

BatBrowse

This is the installer and setup program from the BatBrowse branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating background service that will update the software with additional features. The application setup.exe by BatBrowse has been detected as adware by 14 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.
Publisher:
BatBrowse  (signed and verified)

MD5:
f8f8754a3ff847eba8d2c3c4d07fccaa

SHA-1:
0837deaf90452abae86528a81ad6cb00a30006aa

SHA-256:
f42dee5c217e9a32afdcd3753623e25f17ed95401cc22294050c3598b70fa997

Scanner detections:
14 / 68

Status:
Adware

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

Analysis date:
4/25/2024 9:13:20 PM UTC  (today)

Scan engine
Detection
Engine version

Bitdefender
Adware.Agent.NTA
1.0.20.1775

Dr.Web
Adware.Plugin.100
9.0.1.0355

Emsisoft Anti-Malware
Adware.Agent.NTA
8.13.12.21.12

ESET NOD32
Win32/BrowseFox
7.9099

Fortinet FortiGate
W32/BrowseFox.B
12/21/2013

F-Secure
Adware.Agent.NTA
11.2013-21-12_7

G Data
Adware.Agent.NTA
13.12.22

IKARUS anti.virus
AdWare.Agent
t3scan.2.2.29

Malwarebytes
PUP.Optional.BatBrowse.A
v2013.12.21.12

MicroWorld eScan
Adware.Agent.NTA
14.0.0.1065

Reason Heuristics
PUP.Installer.BatBrowse.F
14.8.7.21

Trend Micro House Call
TROJ_GEN.F47V1024
7.2.355

Trend Micro
ADW_BHO
10.465.21

VIPRE Antivirus
Adware.Agent
23764

File size:
884.1 KB (905,368 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
BatBrowse

Authority:
VeriSign, Inc.

Valid from:
10/6/2013 9:00:00 PM

Valid to:
10/7/2014 8:59:59 PM

Subject:
CN=BatBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BatBrowse, 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:
3F7DCC78325FB87F0EDAB32A56DD2A54

File PE Metadata
Compilation timestamp:
12/5/2009 7:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:YB3nobblTHcHq/G/8NLExfkLk5Lhew9GumfYwR+Q++/v1tz0SpvFBrWPRF3lo3o5:YBX0O8NLIkLAhDRiYwR+Q+lWG5XG0s8

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, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The file setup.exe has been seen being distributed by the following URL.

http://wpc.0952.edgecastcdn.net/800952/.../setup.exe

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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