home

maintainer.exe

Krab Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by Krab Web 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 “MaintainerSvc1.05.7044970”. 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:
Krab Web  (signed and verified)

Version:
1.0.5444.37032

MD5:
d8bf5038d04d97b2fd790856fa4004d7

SHA-1:
ecd89b5e168b89ca3664cfe5eb381fc61d7af7da

SHA-256:
a8a12c5483ef88afc38516792ad2469d50046eca604c4a682b22b91f554dde18

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/19/2024 11:04:53 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Adware.SwiftBrowse.1
5857434

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.11.28

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.189.70

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

AVG
Generic
2015.0.3277

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

Bitdefender
Gen:Variant.Adware.SwiftBrowse.1
1.0.20.1660

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

Comodo Security
Application.Win32.BrowseFox.B
20215

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
11.2014-28-11_6

G Data
Gen:Variant.Adware.SwiftBrowse
14.11.24

K7 AntiVirus
Trojan
13.186.14161

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

MicroWorld eScan
Gen:Variant.Adware.SwiftBrowse.1
15.0.0.996

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.63726

Panda Antivirus
Trj/CI.A
14.11.28.03

Reason Heuristics
PUP.Service.KrabWeb.K
14.11.28.3

SUPERAntiSpyware
Adware.SwiftBrowse
10211

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.1995

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5444.37032

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\e435d908-8e15-4e0c-ae35-3dc1cb10ee1e\maintainer.exe

Digital Signature
Signed by:
Krab Web

Authority:
VeriSign, Inc.

Valid from:
10/7/2014 10:00:00 AM

Valid to:
10/8/2015 9:59:59 AM

Subject:
CN=Krab Web, O=Krab Web, 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:
7267FFF9DE9B65FB24D2CA9CB6A3E8F9

File PE Metadata
Compilation timestamp:
11/28/2014 2:34:32 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:43eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+mXbcQ/Wm1sWjcd9PQI0ypxCO89:oK35/9oxfTk+Ivn69PQI0ypxCOVXbZvu

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:
6.1801

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc1.05.7044970

Type:
Win32OwnProcess

Depends on:
RPCSS


Remove maintainer.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.