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maintainer.exe

HulaToo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by HulaToo has been detected as adware by 30 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “MaintainerSvc2.35.7151888”. 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:
HulaToo  (signed and verified)

Version:
1.0.5508.41441

MD5:
bba6f6fe058b6f30d3fe30fef0628b4a

SHA-1:
cf458aa7f07e86402128766b46b3d52945ad198b

SHA-256:
07ad3f3b4421c02f209c9c489b8e40c69c5f6d2cd8cb6fb38c9f50b4045a3eaa

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/23/2024 10:57:37 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BH
6496598

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2015.02.01

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.206.62

avast!
Win32:Adware-BYZ [PUP]
150129-1

AVG
Adware Generic6.DAP
2014.0.4257

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15131

Bitdefender
Adware.BrowseFox.BH
1.0.20.155

Clam AntiVirus
Win.Adware.Agent-22685
0.98/21511

Comodo Security
Application.Win32.BrowseFox.B
20910

Dr.Web
Trojan.BPlug.437
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.BH
9.0.0.4799

ESET NOD32
Win32/BrowseFox.V potentially unwanted application
7.0.302.0

F-Prot
W32/A-de841313
v6.4.7.1.166

F-Secure
Adware.BrowseFox.BH
5.13.68

G Data
Adware.BrowseFox.BH
15.1.25

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.193.14818

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
15.0.0.543

Malwarebytes
PUP.Optional.SwiftBrowse
v2015.01.31.06

McAfee
BrowseFox-FTR
5600.6869

MicroWorld eScan
Adware.BrowseFox.BH
16.0.0.93

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.30.0.65070

Norman
Gen:Variant.Adware.SwiftBrowse.1
03.12.2014 13:20:04

nProtect
Trojan-Clicker/W32.Yotoon.123672
15.01.30.01

Quick Heal
AdWare.Yotoon.A5
1.15.14.00

Reason Heuristics
PUP.Service.Yontoo
15.1.31.6

SUPERAntiSpyware
Adware.SwiftBrowse
10082

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4741131
36694

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2049

File size:
120.8 KB (123,672 bytes)

Product version:
1.0.5508.41441

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\46a7822e-e081-4280-9f6b-e4649130bea1\maintainer.exe

Digital Signature
Signed by:
HulaToo

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 2:00:00 AM

Valid to:
3/20/2015 1:59:59 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:
1/31/2015 9:01:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:63eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+mCbcQ/Wm1sWjcd4PQI0ypxCO86:eK35/9oxfTk+xvn64PQI0ypxCOrXbZvv

Entry address:
0x8A72

Entry point:
E8, 95, 57, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, B2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 79, 45, 00, 00, 59, 83, A5, E0, FC, FF, FF, 00, 6A, 4C, 8D, 85, E4, FC, FF, FF, 6A, 00, 50, E8, 7A, F3, FF, FF, 8D, 85, E0, FC, FF, FF, 89, 85, D8, FC, FF, FF, 8D, 85, 30, FD, FF, FF, 83, C4, 0C, 89, 85, DC, FC, FF, FF, 89, 85, E0, FD, FF, FF, 89, 8D, DC, FD, FF, FF, 89, 95, D8, FD, FF, FF, 89, 9D, D4, FD, FF, FF, 89, B5, D0, FD, FF, FF, 89, BD, CC...
 
[+]

Entropy:
6.1796

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc2.35.7151888

Type:
Win32OwnProcess

Depends on:
RPCSS


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