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maintainer.exe

surf slide

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by surf slide has been detected as adware by 31 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “MaintainerSvc3.94.5271985”. 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:
surf slide  (signed and verified)

Version:
1.0.5506.9846

MD5:
247e034476977ec02c369883de5ac656

SHA-1:
4be895245a3f51f9929f3c0a4c396c8c260627f1

SHA-256:
04be0dfd50913a53d4816e19f60a9ba3888fd4e6c9bd274289c3829a59ec24b7

Scanner detections:
31 / 68

Status:
Adware

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

Analysis date:
4/24/2024 10:06:34 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BO
6475091

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2015.01.29

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.205.178

avast!
Win32:Adware-BYZ [PUP]
150101-1

AVG
Adware Generic6.DAP
2014.0.4253

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15128

Bitdefender
Adware.BrowseFox.BO
1.0.20.140

Clam AntiVirus
Win.Adware.Agent-22685
0.98/19988

Comodo Security
Application.Win32.BrowseFox.B
20878

Dr.Web
Trojan.BPlug.437
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.BO
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.BO
5.13.68

G Data
Adware.BrowseFox.BO
15.1.25

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.193.14786

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

Malwarebytes
PUP.Optional.SwiftBrowse
v2015.01.28.01

McAfee
BrowseFox-FTR
5600.6871

MicroWorld eScan
Adware.BrowseFox.BO
16.0.0.84

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.30.0.65070

Norman
Gen:Variant.Adware.SwiftBrowse.1
02.01.2015 13:58:24

nProtect
Trojan-Clicker/W32.Yotoon.123632
15.01.28.01

Panda Antivirus
Trj/CI.A
15.01.28.01

Quick Heal
AdWare.Yotoon.A5
1.15.14.00

Reason Heuristics
PUP.Service.Yontoo
15.1.28.13

Sophos
PUA 'Browse Fox'
5.09

SUPERAntiSpyware
Adware.SwiftBrowse
10088

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2048

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5506.9846

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\261dd56e-54fa-4b60-a9fd-40a3504f3053\maintainer.exe

Digital Signature
Signed by:
surf slide

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 5:30:00 AM

Valid to:
9/3/2015 5:29:59 AM

Subject:
CN=surf slide, O=surf slide, 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:
40C4725F1712C4789A4BDCEA560D5BE2

File PE Metadata
Compilation timestamp:
1/28/2015 6:58:20 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:PK35/9oxfTk+vvn6zPQI0ypxCO/3bZvLq6s:PKCLP32L/rZvLq6s

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:
6.1806

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc3.94.5271985

Type:
Win32OwnProcess

Depends on:
RPCSS


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