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maintainer.exe

PlumoWeb

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by PlumoWeb 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 “MaintainerSvc1.02.2499967”. 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:
PlumoWeb  (signed and verified)

Version:
1.0.5416.28344

MD5:
83be91557f921992d7dc89b710bb1f5b

SHA-1:
eb6a3194f81307ffa940bf6bb0e51d110cbfe89b

SHA-256:
355d2781e78c164350f44bba870ee535f5f03652703736fd4860620a239cf25b

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/24/2024 12:45:23 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CF
827

AhnLab V3 Security
Adware/Win32.SwiftBrowse
2014.10.30

Avira AntiVirus
Adware/Kranet.123304.1
7.11.182.78

avast!
Win32:Adware-BYZ [PUP]
141025-0

AVG
Megabrowse
2015.0.3305

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141031

Bitdefender
Adware.SwiftBrowse.CF
1.0.20.1520

Clam AntiVirus
Win.Adware.Agent-22685
0.98/21411

Dr.Web
Trojan.BPlug.281
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.SwiftBrowse
14.10.31

ESET NOD32
Win32/BrowseFox
8.10643

Fortinet FortiGate
Adware/Kranet
10/31/2014

F-Secure
Adware.SwiftBrowse.CF
11.2014-31-10_6

G Data
Adware.SwiftBrowse.CF
14.10.24

Kaspersky
not-a-virus:AdWare.Win32.Kranet
14.0.0.3019

McAfee
Artemis!E3F2E87BE816
5600.6961

MicroWorld eScan
Adware.SwiftBrowse.CF
15.0.0.912

NANO AntiVirus
Riskware.Win32.Kranet.dgiwfc
0.28.6.62995

nProtect
Adware.SwiftBrowse.CF
14.10.30.01

Reason Heuristics
Threat.Win.Reputation.IMP
14.10.31.3

Sophos
Browse Fox
4.98

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

VIPRE Antivirus
Yontoo
34362

Zillya! Antivirus
Adware.Kranet.Win32.476
2.0.0.1972

File size:
120.7 KB (123,632 bytes)

Product version:
1.0.5416.28344

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\2e60058b-8e73-4ea6-8165-2710beb3c142\maintainer.exe

Digital Signature
Signed by:
PlumoWeb

Authority:
VeriSign, Inc.

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

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

Subject:
CN=PlumoWeb, O=PlumoWeb, 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:
792D14E276E932D00A4F272C4ED5B70E

File PE Metadata
Compilation timestamp:
10/30/2014 11:45:00 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
1536:o3eRgxyOpGX5sfnC6P2dV59IikYYf9J892bbY+mNbcQ/Wm1sWjcdiPQI0ypxCO8A:YK35/9oxfTk+uvn6iPQI0ypxCOA3bZva

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...
 
[+]

Code size:
68.5 KB (70,144 bytes)

Service
Display name:
MaintainerSvc1.02.2499967

Type:
Win32OwnProcess

Depends on:
RPCSS


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