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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 24 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:
1.0.5438.32126

MD5:
9e3ab662e5906a801f62ed3f195c629a

SHA-1:
e0ff4c29a1fa5a28de2a7756a7d5306041dc356e

SHA-256:
7beaf8c40a9161c89c106c7cb200d5436a9c2c42a29fba9ebff955122e7184cd

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/26/2024 4:35:26 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
5823004

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.11.22

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.188.28

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

AVG
Generic
2015.0.3283

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141122

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.1630

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

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
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
Gen:Variant.Adware.SwiftBrowse.1
11.2014-22-11_7

G Data
Gen:Variant.Adware.SwiftBrowse
14.11.24

K7 AntiVirus
Trojan
13.185.14098

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
15.0.0.463

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
15.0.0.978

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.63474

Panda Antivirus
Trj/CI.A
14.11.22.12

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.Service.RadRater.K
14.11.21.23

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Threat.4741131
35010

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.1990

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5438.32126

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\44fa52db-e405-4860-9675-591a035762d0\maintainer.exe

Digital Signature
Signed by:
Rad Rater

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 7:00:00 AM

Valid to:
8/6/2015 6:59:59 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:
11/22/2014 8:51:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:R3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+mfbcQ/Wm1sWjcdsPQI0ypxCO8/:FK35/9oxfTk+Mvn6sPQI0ypxCOL3bZvq

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:
MaintainerSvc3.37.8493095

Type:
Win32OwnProcess

Depends on:
RPCSS


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