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maintainer.exe

glindorus

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by glindorus has been detected as adware by 26 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “MaintainerSvc2.13.426751”. 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:
glindorus  (signed and verified)

Version:
1.0.5444.29450

MD5:
973806cdb60d5371d0b60280ec109dc9

SHA-1:
699d0d7c716504513923d1aef3a8d50449f3e296

SHA-256:
26bdf587f8190bfdce791191ec0ff7804757db1a6f19775de9051e5574486c6f

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/27/2024 12:47:36 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CO
5850519

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.11.28

Avira AntiVirus
Adware/BrowseFox.aos
7.11.189.64

avast!
Win32:Adware-BYZ [PUP]
141119-1

AVG
Skodna.glindorus
2015.0.3277

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

Bitdefender
Adware.SwiftBrowse.CO
1.0.20.1660

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

Comodo Security
Application.Win32.BrowseFox.B
20215

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CO
9.0.0.4570

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
11.2014-28-11_6

G Data
Adware.SwiftBrowse.CO
14.11.24

K7 AntiVirus
Trojan
13.186.14161

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

MicroWorld eScan
Adware.SwiftBrowse.CO
15.0.0.996

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.63726

nProtect
Trojan-Clicker/W32.Yotoon.123680
14.11.27.01

Panda Antivirus
Trj/CI.A
14.11.28.12

Reason Heuristics
PUP.Service.glindorus.K
14.11.28.0

SUPERAntiSpyware
Adware.SwiftBrowse
10211

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4741131
35088

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.1995

File size:
120.8 KB (123,680 bytes)

Product version:
1.0.5444.29450

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\application data\80810f5c-7b66-4b02-af93-03f2b7680a45\maintainer.exe

Digital Signature
Signed by:
glindorus

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 8:00:00 AM

Valid to:
9/20/2015 7:59:59 AM

Subject:
CN=glindorus, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=glindorus, 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:
38CA8426D3AC22743D3790B6CAB486B4

File PE Metadata
Compilation timestamp:
11/28/2014 8:21:47 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:g3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+m/bcQ/Wm1sWjcdfPQI0ypxCO8q:QK35/9oxfTk+wvn6fPQI0ypxCOL3bZv

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:
6.1801

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc2.13.426751

Type:
Win32OwnProcess

Depends on:
RPCSS


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