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maintainer.exe

techgile

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by techgile 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 “MaintainerSvc4.29.2173613”. 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:
techgile  (signed and verified)

Version:
1.0.5464.38787

MD5:
4ea752cf17559701c0b29b6fd6bdcf7d

SHA-1:
056fd5f33c3ae370a5e6133d70822c302061ba46

SHA-256:
9103aa1094a8e1a2327bb937e3226f747d360ca4eab65a1a8501dbb857ee1e27

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/18/2024 10:05:58 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
6212523

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.12.22

Avira AntiVirus
Adware/BrowseFox.apr
7.11.197.26

avast!
Win32:Adware-BYZ [PUP]
141214-1

AVG
Adware Generic6.DAP
2014.0.4235

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.1775

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

Comodo Security
Application.Win32.BrowseFox.B
20438

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
9.0.0.4668

ESET NOD32
Win32/BrowseFox.V potentially unwanted application
7.0.302.0

Fortinet FortiGate
Adware/Yotoon
12/21/2014

F-Prot
W32/A-de841313
v6.4.7.1.166

F-Secure
Gen:Variant.Adware.SwiftBrowse.1
5.13.68

G Data
Gen:Variant.Adware.SwiftBrowse
14.12.24

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.8.5.0

K7 AntiVirus
Trojan
13.188.14395

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

Malwarebytes
PUP.Optional.SwiftBrowse
v2014.12.21.10

McAfee
Program.BrowseFox-FTR
16.8.708.2

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
15.0.0.1065

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.64267

Norman
Gen:Variant.Adware.SwiftBrowse.1
04.12.2014 14:30:06

nProtect
Trojan-Clicker/W32.Yotoon.123632
14.12.19.01

Quick Heal
AdWare.Yotoon.A5
12.14.14.00

Reason Heuristics
PUP.Service.techgile.K
14.12.21.22

SUPERAntiSpyware
Adware.SwiftBrowse
10163

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4741131
35418

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2012

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5464.38787

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\685d26dc-c30a-434b-bda2-3004e8743669\maintainer.exe

Digital Signature
Signed by:
techgile

Authority:
VeriSign, Inc.

Valid from:
9/3/2014 5:00:00 PM

Valid to:
9/4/2015 4:59:59 PM

Subject:
CN=techgile, O=techgile, 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:
73F8CC58517F3D5D8C50DFEA9B1C4816

File PE Metadata
Compilation timestamp:
12/17/2014 9:33:04 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:2K35/9oxfTk+Jvn65PQI0ypxCO23bZv/rgM:2KCLPtwL2rZvp

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:
6.1795

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc4.29.2173613

Type:
Win32OwnProcess

Depends on:
RPCSS


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