home

maintainer.exe

Adanak

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application maintainer.exe by Adanak has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “MaintainerSvc3.19.691608”.
Publisher:
Adanak  (signed and verified)

Version:
1.0.5597.2127

MD5:
bd4dcd590edd5bd7b7b76936eb1764e3

SHA-1:
6741aff6c586fc550db3aefb0b5183aa41ae4f2d

SHA-256:
94046681d59f8819bf2459f06a9ca3bc19348ca6640ffd31511b18f19b2b1991

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
12/25/2024 2:12:42 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.13

File size:
125.2 KB (128,232 bytes)

Product version:
1.0.5597.2127

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\f8d67e26-5954-4e5e-906c-2b89b2e43e87\maintainer.exe

Digital Signature
Signed by:
Adanak

Authority:
VeriSign, Inc.

Valid from:
4/23/2015 2:00:00 AM

Valid to:
6/22/2016 2:59:59 AM

Subject:
CN=Adanak, O=Adanak, 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:
0C16ABA3C547AD068A6AA5F218316288

File PE Metadata
Compilation timestamp:
4/29/2015 10:11:00 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

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...
 
[+]

Entropy:
6.2059

Code size:
72.5 KB (74,240 bytes)

Service
Display name:
MaintainerSvc3.19.691608

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.