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maintainer.exe

Dolphin Deals

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by Dolphin Deals 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 “MaintainerSvc2.70.0190075”. 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:
Dolphin Deals  (signed and verified)

Version:
1.0.5626.19287

MD5:
a4d02a830c560c175763a2fb1e283301

SHA-1:
c443ae3e68a5069b79a1346d7b287e73880032ba

SHA-256:
edc5cc84d38c9ef886771fe98fcfa1ef6a287d8e6b1f862ae43ef4ba1c715435

Scanner detections:
30 / 68

Status:
Adware

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

Analysis date:
4/27/2024 2:33:04 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.Graftor.163020
5575765

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.05.29

Avira AntiVirus
ADWARE/BrowseFox.Gen7
8.3.1.6

avast!
Win32:BrowseFox-IT [PUP]
150525-2

AVG
Adware AdPlugin.CWT
2014.0.4311

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15528

Bitdefender
Gen:Variant.Adware.Graftor.163020
1.0.20.740

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-41785
0.98/20518

Comodo Security
Application.Win32.BrowseFox.AHJ
22258

Dr.Web
Trojan.Yontoo.1833
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Graftor.163020
10.0.0.5366

ESET NOD32
Win32/BrowseFox.BB potentially unwanted application
7.0.302.0

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

F-Secure
Gen:Variant.Adware.Graftor
5.14.151

G Data
Gen:Variant.Adware.Graftor.163020
15.5.25

K7 AntiVirus
Adware
13.204.16065

Malwarebytes
PUP.Optional.BrowseFox
v2015.05.28.06

McAfee
Program.BrowseFox-FXS
17.6.569.0

MicroWorld eScan
Gen:Variant.Adware.Graftor.163020
16.0.0.444

NANO AntiVirus
Trojan.Win32.Yontoo.dpmcsm
0.30.24.1636

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

Quick Heal
PUA.Dolphindea.Gen
5.15.14.00

Reason Heuristics
PUP.DolphinDeals
15.5.28.18

Rising Antivirus
PE:AdWare.Win32.BrowseFox.i!1075357760
23.00.65.15526

Sophos
PUA 'Browse Fox'
5.14

Vba32 AntiVirus
AdWare.Kranet
3.12.26.4

VIPRE Antivirus
Threat.4741131
40552

Zillya! Antivirus
Adware.Agent.Win32.52012
2.0.0.2193

File size:
125.2 KB (128,248 bytes)

Product version:
1.0.5626.19287

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\ba8b7bf6-f41d-4bf7-9c04-dc3b18bfb4fb\maintainer.exe

Digital Signature
Signed by:
Dolphin Deals

Authority:
VeriSign, Inc.

Valid from:
4/23/2015 7:00:00 AM

Valid to:
6/22/2016 6:59:59 AM

Subject:
CN=Dolphin Deals, O=Dolphin Deals, 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:
12C2BEA9503F423C20C5D7A5DF5BE7DF

File PE Metadata
Compilation timestamp:
5/29/2015 12:43:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:3D1Ll2ZpujSiZF4g6sym2UG0IHhxDO8dVW:3BVDFHdKu8fW

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...
 
[+]

Code size:
72.5 KB (74,240 bytes)

Service
Display name:
MaintainerSvc2.70.0190075

Type:
Win32OwnProcess

Depends on:
RPCSS


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