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scantackun.exe

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application scantackun.exe by Scan Tack has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is the uninstaller utility registered in the Windows Control Panel for the program ScanTack by ScanTack.
Publisher:
Scan Tack  (signed and verified)

Version:
1.0.0.0

MD5:
48a052a646d8eb03f06f8e5ba1c935f0

SHA-1:
4b9ae1fad20b671c7edbe1d826080a4e963b1a28

SHA-256:
772a409ce841e56977a6da76262dfc9a7e939f44b8eb9d562f6741edf59f5096

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:
5/25/2024 8:26:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.9.19

File size:
536.2 KB (549,104 bytes)

Product version:
1.0.0.0

Original file name:
ScanTack Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\scantack\scantackun.exe

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/5/2015 1:00:00 AM

Valid to:
3/6/2016 12:59:59 AM

Subject:
CN=Scan Tack, O=Scan Tack, L=San Diego, 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:
3189867C5406A0187436F786B38369D7

File PE Metadata
Compilation timestamp:
1/30/2016 5:18:42 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x841EE

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, 04, 00, 03, 00, 00, 00, 30, 00, 00, 80, 0E, 00, 00, 00, 60, 00, 00, 80, 10, 00, 00, 00, 78, 00, 00, 80, 18, 00, 00, 00, 90, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 00, 02, 00, 00, 00, A8, 00, 00, 80, 03, 00, 00, 00, C0, 00, 00, 80, 04, 00, 00, 00, D8, 00, 00, 80, 05, 00, 00, 00, F0, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

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

Code size:
520.5 KB (532,992 bytes)

Program Uninstaller
Program name:
ScanTack

Display publisher:
ScanTack

Display version:
2014.03.26.013401

Uninstall string:
C:\Program Files (x86)\ScanTack\ScanTackUn.exe OFS_


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