home

setup.exe

trolatunt

This is the installer and setup program from the trolatunt 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 trolatunt 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.
Publisher:
trolatunt  (signed and verified)

MD5:
77b606151adf9ddc22a888ee56c039ac

SHA-1:
ed29a9f64066b06aaf3ad9fcc4bcfe8222db1668

SHA-256:
4c67ebd444ac880016edccaabcaaf5c8d0b3614ace6b822d0fb8624e8c545448

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/26/2024 3:04:49 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
927

AVG
BrowseFox
2015.0.3405

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14723

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.1020

Comodo Security
Application.Win32.Ciorik.RWLZ
18913

Dr.Web
Trojan.BPlug.90
9.0.1.0204

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
8.14.07.23.10

ESET NOD32
Win32/BrowseFox (variant)
8.10126

Fortinet FortiGate
Riskware/BrowseFox
7/23/2014

F-Secure
Gen:Variant.Adware.SwiftBrowse.1
11.2014-23-07_4

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.Trolatunt.A
v2014.07.23.10

McAfee
Artemis!DFB339CFC585
5600.7061

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
15.0.0.612

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.trolatunt.F
14.7.23.10

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.14721

SUPERAntiSpyware
Adware.BrowseFox/Variant
10466

Trend Micro House Call
Suspici.BBAC4570
7.2.204

VIPRE Antivirus
Trojan.Win32.Generic
31440

File size:
2 MB (2,079,232 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:
trolatunt

Authority:
VeriSign, Inc.

Valid from:
8/21/2013 2:00:00 AM

Valid to:
8/21/2015 1:59:59 AM

Subject:
CN=trolatunt, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=trolatunt, 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:
16E5B55BC9746E627E43F6A38DDE3E80

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:OPuw8lzz0gP9hYePQPSTJiWZ+EfLpgkt6QCo/B8:OPENz0GDPQP44yff6kwga

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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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