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xriyanks.exe

Tab Station

yearsoft

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application xriyanks.exe, “Tab Station Apply” by yearsoft 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 windows Service named “TabStation”.
Publisher:
tabstation  (signed by yearsoft)

Product:
Tab Station

Description:
Tab Station Apply

Version:
1.1.1.7

MD5:
9dfa6dfb4c23ecd8306d25d557fb6e54

SHA-1:
7a9ceed97b0b755319ae7a504d8f68a1ad8d759b

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:
11/19/2025 7:52:34 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.yearsoft (M)
16.3.6.12

File size:
16.1 KB (16,440 bytes)

Product version:
1.1.1.7

Copyright:
tabstation

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\Application data\xriyank\xriyanks.exe

Digital Signature
Signed by:
yearsoft

Authority:
Thawte, Inc.

Valid from:
7/17/2013 9:00:00 AM

Valid to:
7/18/2014 8:59:59 AM

Subject:
CN=yearsoft, OU=IT Team, O=yearsoft, L=Ansan-si, S=Gyeonggi-do, C=KR

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
028FB214E3C57F518427378946E58BA7

File PE Metadata
Compilation timestamp:
7/16/2013 11:03:25 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
384:pbai5n3MZHizTar+6SH1VTxFYNnwuSuSPLAJ:p8ZH6WrlSjtFewuZJ

Entry address:
0x1A71

Entry point:
E8, 83, 04, 00, 00, E9, B3, FD, FF, FF, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 40, 31, 40, 00, 89, 0D, 3C, 31, 40, 00, 89, 15, 38, 31, 40, 00, 89, 1D, 34, 31, 40, 00, 89, 35, 30, 31, 40, 00, 89, 3D, 2C, 31, 40, 00, 66, 8C, 15, 58, 31, 40, 00, 66, 8C, 0D, 4C, 31, 40, 00, 66, 8C, 1D, 28, 31, 40, 00, 66, 8C, 05, 24, 31, 40, 00, 66, 8C, 25, 20, 31, 40, 00, 66, 8C, 2D, 1C, 31, 40, 00, 9C, 8F, 05, 50, 31, 40, 00, 8B, 45, 00, A3, 44, 31, 40, 00, 8B, 45, 04, A3, 48, 31, 40, 00, 8D, 45, 08, A3, 54, 31, 40...
 
[+]

Entropy:
6.4397

Code size:
4 KB (4,096 bytes)

Service
Display name:
TabStation

Service name:
xriyanks

Type:
Win32OwnProcess, InteractiveProcess


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