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maintainer.exe

AtuZi

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by AtuZi has been detected as adware by 33 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “MaintainerSvc1.07.7582799”. 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:
AtuZi  (signed and verified)

Version:
1.0.5509.42374

MD5:
9ec85e8e48eb76e2bcbbb030072cd0fa

SHA-1:
cf9823352c0dcb436fcb77b427d82a6f5ddd48fe

SHA-256:
a97463ae89d0d030b0905113b01a468d3c488ddcc2449243afd78ebd06261b42

Scanner detections:
33 / 68

Status:
Adware

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

Analysis date:
4/26/2024 5:49:56 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CO
6505302

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2015.02.01

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.206.68

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

AVG
Adware Generic6.DAP
2014.0.4257

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1521

Bitdefender
Adware.SwiftBrowse.CO
1.0.20.160

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-22685
0.98/20012

Comodo Security
Application.Win32.BrowseFox.B
20920

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CO
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.SwiftBrowse.CO
5.13.68

G Data
Adware.SwiftBrowse.CO
15.2.25

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.193.14824

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

Malwarebytes
PUP.Optional.SwiftBrowse
v2015.02.01.05

McAfee
BrowseFox-FTR
5600.6868

MicroWorld eScan
Adware.SwiftBrowse.CO
16.0.0.96

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.30.0.65070

Norman
Adware.SwiftBrowse.CO
03.12.2014 13:20:04

nProtect
Trojan-Clicker/W32.Yotoon.123672
15.01.30.01

Qihoo 360 Security
HEUR/QVM10.1.Malware.Gen
1.0.0.1015

Quick Heal
AdWare.Yotoon.A5
2.15.14.00

Reason Heuristics
PUP.Service.Yontoo
15.2.1.4

Sophos
PUA 'Browse Fox'
5.10

SUPERAntiSpyware
Adware.SwiftBrowse
10081

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4741131
36694

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2050

File size:
120.8 KB (123,672 bytes)

Product version:
1.0.5509.42374

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\2d59c1f1-1b49-4b07-808d-b3efb9779fdf\maintainer.exe

Digital Signature
Signed by:
AtuZi

Authority:
VeriSign, Inc.

Valid from:
4/17/2014 7:00:00 AM

Valid to:
4/18/2015 6:59:59 AM

Subject:
CN=AtuZi, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=AtuZi, 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:
1095EBEC0EFD96E9E4C801DCA0909C26

File PE Metadata
Compilation timestamp:
2/1/2015 2:32:35 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:EK35/9oxfTk+8vn6YPQI0ypxCOs3bZv/K:EKCLPI1LsrZv/K

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:
6.1798

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc1.07.7582799

Type:
Win32OwnProcess

Depends on:
RPCSS


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