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utilysearchservice.exe

Alactro LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilysearchservice.exe by Alactro 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 “Util ysearchservice”.
Publisher:
Alactro LLC  (signed and verified)

Version:
1.0.5674.33413

MD5:
7ace6baa88b7c90c2856b45f1ffa8d5f

SHA-1:
a1735a7eabdf80e3aed2b0df8d9c314ffa2163a9

SHA-256:
eb2b489c9f54ae418367e8d327758962e91fbadbb99032caf0ff10a46c962708

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:
11/15/2024 12:36:20 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.8.16.6

File size:
447.3 KB (458,016 bytes)

Product version:
1.0.5674.33413

Original file name:
ysearchservice2015071602.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\ysearchservice\bin\utilysearchservice.exe

Digital Signature
Signed by:
Alactro LLC

Authority:
VeriSign, Inc.

Valid from:
6/24/2013 5:00:00 PM

Valid to:
8/23/2016 4:59:59 PM

Subject:
CN=Alactro LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Alactro LLC, L=Grandville, S=Michigan, 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:
018D4FCE8B07C5BF93892F3E2AB578D5

File PE Metadata
Compilation timestamp:
7/15/2015 7:33:47 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:qiNcqEPgTtjCwcVUOjvumICocgWAKhZO2qOG6myexhkGQxf3Rd9+7NGtiHEI:bNvGe2WmFZMzkGQz6Iq

Entry address:
0x6F98E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0138

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
438.5 KB (449,024 bytes)

Service
Display name:
Util ysearchservice

Type:
Win32OwnProcess


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