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maintainer.exe

wisen wizard

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by wisen wizard 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 “MaintainerSvc3.96.1228305”. 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:
wisen wizard  (signed and verified)

Version:
1.0.5621.194

MD5:
1edf0feebff5a3d529c24a6aa397b562

SHA-1:
b29ea5ee2cca31bb8de0456d4761a3156163c53c

SHA-256:
3247f824abe0550c3c2a53b06409957d5825db64037e7cb932b1090a112161a3

Scanner detections:
31 / 68

Status:
Adware

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

Analysis date:
4/25/2024 1:04:52 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BR
5547725

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.05.24

Avira AntiVirus
ADWARE/BrowseFox.Gen7
8.3.1.6

avast!
Win32:BrowseFox-JA [PUP]
150521-0

AVG
Adware AdPlugin.DGD
2014.0.4311

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15523

Bitdefender
Adware.BrowseFox.BR
1.0.20.715

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-41785
0.98/21511

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.BR
10.0.0.5366

ESET NOD32
Win32/BrowseFox.V potentially unwanted application
7.0.302.0

F-Prot
W32/S-11fc74d1
v6.4.7.1.166

F-Secure
Adware.BrowseFox.BR
11.2015-23-05_7

G Data
Adware.BrowseFox.BR
15.5.25

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.9.0

K7 AntiVirus
Adware
13.204.16008

Malwarebytes
PUP.Optional.BrowseFox
v2015.05.23.11

McAfee
Program.BrowseFox-FXS
18.0.204.0

MicroWorld eScan
Adware.BrowseFox.BR
16.0.0.429

NANO AntiVirus
Trojan.Win32.Yontoo.dpmcsm
0.30.24.1636

Norman
Gen:Variant.Adware.Graftor.163020
03.12.2014 13:20:04

nProtect
Adware.BrowseFox.BR
15.05.22.01

Quick Heal
PUA.Wisenwizar.Gen
5.15.14.00

Reason Heuristics
PUP.Yontoo.wisenwizard
15.5.23.11

Rising Antivirus
PE:AdWare.Win32.BrowseFox.i!1075357760
23.00.65.15521

Sophos
PUA 'Browse Fox'
5.14

Vba32 AntiVirus
AdWare.Kranet
3.12.26.4

VIPRE Antivirus
Threat.4741131
40432

Zillya! Antivirus
Adware.Agent.Win32.52012
2.0.0.2187

File size:
125.2 KB (128,240 bytes)

Product version:
1.0.5621.194

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\1b8e1e41-6357-40c6-af7d-e0a31a7bdb02\maintainer.exe

Digital Signature
Signed by:
wisen wizard

Authority:
VeriSign, Inc.

Valid from:
11/3/2014 4:00:00 PM

Valid to:
1/3/2016 3:59:59 PM

Subject:
CN=wisen wizard, O=wisen wizard, 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:
45541320B8397C6E6F3911B79013E8AE

File PE Metadata
Compilation timestamp:
5/23/2015 12:06:34 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:ID1Ll2ZpujSiZF4gGsym2UG0IHhxDOLndVR:IBVDFHRKu7fR

Entry address:
0x9872

Entry point:
E8, 75, 62, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, C2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 59, 50, 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:
6.2066

Code size:
72.5 KB (74,240 bytes)

Service
Display name:
MaintainerSvc3.96.1228305

Type:
Win32OwnProcess

Depends on:
RPCSS


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