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henadoru.exe

Tab Station

yearsoft

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application henadoru.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.
Publisher:
tabstation  (signed by yearsoft)

Product:
Tab Station

Description:
Tab Station Apply

Version:
1.2.1.1

MD5:
66625df22bba47eaccb9934d21b0fee0

SHA-1:
df69edb14668ceb265f7ff4a53ce13a7e08d2d43

SHA-256:
0f02b614316c37d8a5a09562d4abb75af86ec9c7504b462ff138e7d042d17117

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 7:52:35 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.7.31.19

File size:
1.8 MB (1,912,376 bytes)

Product version:
1.2.1.1

Copyright:
tabstation

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\roaming\henador\henadoru.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:
8/26/2013 3:33:46 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:JPCA3wMfFJo8+5PbYg55NQBIaYvnoIBe44F+a7J3N8vXo6NBxU8BdJ+LFwL:HwMfFJo8+tYgZQBIpvnoIBe44F+wZV6V

Entry address:
0x10B54D

Entry point:
E8, 6A, B6, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63, FC, FF, E0, 5B, C9, C2, 08, 00, 58, 59, 87, 04, 24, FF, E0, 8B, FF, 55, 8B, EC, 51, 51, 53, 56, 57, 64, 8B, 35, 00, 00, 00, 00, 89, 75, FC, C7, 45, F8, BB, B5, 50, 00, 6A, 00, FF, 75, 0C, FF, 75, F8, FF, 75, 08, E8, 05, 69, 01, 00, 8B, 45, 0C, 8B, 40, 04, 83, E0, FD, 8B, 4D, 0C, 89, 41, 04, 64, 8B, 3D...
 
[+]

Entropy:
6.4112

Code size:
1.2 MB (1,241,600 bytes)

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