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utilhulatoo.exe

HulaToo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilhulatoo.exe by HulaToo has been detected as adware by 18 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Util HulaToo”. 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. While running, it connects to the Internet address ip-184-168-221-64.ip.secureserver.net on port 80 using the HTTP protocol.
Publisher:
HulaToo  (signed and verified)

Version:
1.0.5350.27163

MD5:
68084aa861ebc3a6b41423af85440402

SHA-1:
142d9034324d7caf6605ce564401d2a70640095f

Scanner detections:
18 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
4/18/2024 5:19:49 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Kranet
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.08.28

avast!
MSIL:BrowseFox-A [PUP]
2014.9-140828

AVG
Hulaoo
2015.0.3369

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14828

Dr.Web
Trojan.BPlug.208
9.0.1.0240

ESET NOD32
Win32/BrowseFox (variant)
8.10326

F-Prot
W32/A-db42cb3b
v6.4.7.1.166

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.7.5.0

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.3339

Malwarebytes
PUP.Optional.HulaToo.A
v2014.08.28.04

McAfee
Artemis!68084AA861EB
5600.7025

Panda Antivirus
Trj/Chgt.D
14.08.28.04

Qihoo 360 Security
Win32/Virus.Adware.e4c
1.0.0.1015

Reason Heuristics
PUP.HulaToo.L
14.8.28.4

Sophos
Generic PUA BE
4.98

Trend Micro House Call
Suspicious_GEN.F47V0827
7.2.240

VIPRE Antivirus
Yontoo
32608

File size:
315.8 KB (323,352 bytes)

Product version:
1.0.5350.27163

Original file name:
HulaToo.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\hulatoo\bin\utilhulatoo.exe

Digital Signature
Signed by:
HulaToo

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 8:00:00 AM

Valid to:
3/20/2015 7:59:59 AM

Subject:
CN=HulaToo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=HulaToo, L=Santa Monica, 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:
089F9EDFF3BE5DAC5EE5E228073DBDC4

File PE Metadata
Compilation timestamp:
8/26/2014 12:05:41 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:ZlfAzs3+YSgNIEqEo7dUTd78yzlW1OvjxMT1G0mKWGYYPAwHrk0FUXbjB/H3:ZlfpOY53v1MT1G0mKWGYYPAwL9afNH3

Entry address:
0x4EB8E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0916

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
307 KB (314,368 bytes)

Service
Display name:
Util HulaToo

Type:
Win32OwnProcess


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

TCP (HTTP):
Connects to ip-184-168-221-64.ip.secureserver.net  (184.168.221.64:80)

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