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maintainer.exe

EnterDigital

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by EnterDigital 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 “MaintainerSvc6.37.565328”. 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:
EnterDigital  (signed and verified)

Version:
1.0.5586.37931

MD5:
ba9d6e5bbe75f8e390e6784f8fb3548c

SHA-1:
c3d3292ebd70df9b3de7cf76991a6c8d30e56e3f

SHA-256:
e6d5cd3eccee9604aa29c6208941add66d28af29a2c0824bfe461b4b94b607c0

Scanner detections:
33 / 68

Status:
Adware

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

Analysis date:
5/7/2024 8:40:28 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CR
657

Agnitum Outpost
PUA.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.04.19

Avira AntiVirus
ADWARE/BrowseFox.aoj
3.6.1.96

avast!
Win32:BrowseFox-EU [PUP]
2014.9-150419

AVG
Adware AdPlugin
2016.0.3135

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15419

Bitdefender
Adware.SwiftBrowse.CR
1.0.20.545

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-41785
0.98/20425

Dr.Web
Trojan.Yontoo.1734
9.0.1.0109

Emsisoft Anti-Malware
Adware.SwiftBrowse.CR
8.15.04.19.05

ESET NOD32
Win32/BrowseFox.V potentially unwanted application
9.7.0.302.0

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

F-Secure
Adware.SwiftBrowse.CR
11.2015-19-04_1

G Data
Adware.SwiftBrowse.CR
15.4.25

herdProtect (fuzzy)
variant of maintainer.bak (Adware)
2015.7.20.17

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.9.0

K7 AntiVirus
Adware
13.202.15641

Kaspersky
not-a-virus:AdWare.Win64.Agent
15.0.0.543

Malwarebytes
PUP.Optional.Browsefox
v2015.04.19.06

McAfee
Program.BrowseFox-FXS
5600.6791

MicroWorld eScan
Adware.SwiftBrowse.CR
16.0.0.327

NANO AntiVirus
Trojan.Win32.Yontoo.dpmcsm
0.30.16.1110

Norman
Adware.SwiftBrowse.CR
11.20150419

nProtect
Adware.SwiftBrowse.CR
15.04.17.01

Qihoo 360 Security
Win32/Virus.Adware.4bb
1.0.0.1015

Quick Heal
PUA.Enterdigit.Gen
4.15.14.00

Reason Heuristics
Threat.EnterDigital
15.4.19.1

Sophos
PUA 'Browse Fox'
5.13

Vba32 AntiVirus
AdWare.SwiftBrowse
3.12.26.3

VIPRE Antivirus
Threat.4741131
39486

Zillya! Antivirus
Adware.Agent.Win32.52012
2.0.0.2143

File size:
125.2 KB (128,240 bytes)

Product version:
1.0.5586.37931

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\7bb6df21-8ca8-4eec-965d-8cd2261544c7\maintainer.exe

Digital Signature
Signed by:
EnterDigital

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 10:00:00 AM

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

Subject:
CN=EnterDigital, O=EnterDigital, 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:
1E3B5C4453E4282F35D4B16FE677D245

File PE Metadata
Compilation timestamp:
4/19/2015 2:04:26 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:eD1Ll2ZpujSiZF4gmsym2UG0IHhxDOUdVR:eBVDFHxKuUfR

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:
6.2063

Code size:
72.5 KB (74,240 bytes)

Service
Display name:
MaintainerSvc6.37.565328

Type:
Win32OwnProcess

Depends on:
RPCSS


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