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ysearchservice.yssvc.dll

Alactro LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ysearchservice.yssvc.dll by Alactro has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
Alactro LLC  (signed and verified)

Version:
1.0.5613.25382

MD5:
0905145b6d25f25f34ae2317b4c6d7d4

SHA-1:
6add06f6a40d2152deec07046d8cee313c14ae8f

SHA-256:
40860eb9b6efdeb50d413f16437b913a9244ba4aa22ee04f3ba07903852beadf

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 12:31:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.11.14.12

File size:
1.1 MB (1,191,712 bytes)

Product version:
1.0.5613.25382

Original file name:
ysearchservice.YSSvc2015051522.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\ysearchservice\bin\plugins\ysearchservice.yssvc.dll

Digital Signature
Signed by:
Alactro LLC

Authority:
VeriSign, Inc.

Valid from:
6/24/2013 8:00:00 PM

Valid to:
8/23/2016 7:59:59 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:
5/15/2015 6:06:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:WgFG1FadAWNMakoFJBEzrzYaG6YdeyywzS:Xax/zYaG62K

Entry address:
0x122D3A

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:
5.7929

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

Code size:
1.1 MB (1,183,232 bytes)

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