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maintainer.exe

Rad Rater

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by Rad Rater has been detected as adware by 29 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “MaintainerSvc3.37.8493095”. 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:
Rad Rater  (signed and verified)

Version:
1.0.5468.2516

MD5:
ab50badc0b84954f7e323bd622fd975d

SHA-1:
17cd1de99f82be6f8ad6d138be861dbdd6d3a58b

SHA-256:
184c0e86828f845bdbc8187b22a0bc41cd1ac69cf2283952a93bd3965e8b18a4

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/19/2024 10:15:19 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
6209727

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.12.22

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.197.16

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

AVG
Generic6
2015.0.3254

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
20432

Dr.Web
Trojan.BPlug.437
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

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
v2014.12.21.08

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.RadRater.K
14.12.21.8

SUPERAntiSpyware
Adware.SwiftBrowse
10164

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4741131
35418

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.2011

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5468.2516

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\Application data\44fa52db-e405-4860-9675-591a035762d0\maintainer.exe

Digital Signature
Signed by:
Rad Rater

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 2:00:00 AM

Valid to:
8/6/2015 1:59:59 AM

Subject:
CN=Rad Rater, O=Rad Rater, 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:
71E08766F845C2A0709D2096C003F3B4

File PE Metadata
Compilation timestamp:
12/21/2014 11:24:02 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:XK35/9oxfTk+cvn6uPQI0ypxCOaXbZvrz:XKCLPovLaLZvrz

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:
6.1808

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc3.37.8493095

Type:
Win32OwnProcess

Depends on:
RPCSS


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