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utilscantack.exe

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilscantack.exe by Scan Tack has been detected as adware by 15 anti-malware scanners. It runs as a separate (within the context of its own process) windows Service named “Update ScanTack”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
Scan Tack  (signed and verified)

Version:
1.0.5322.38053

MD5:
e64da3fd00e163494b43c252b0392b47

SHA-1:
903d59a4be1ead895d6ffde8f8d10b0d76c5e576

SHA-256:
9208ec30a0a3056c2439c0a0aecbd62557eb80e88bec3599914cadd0ffc9d9ea

Scanner detections:
15 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/25/2024 9:48:06 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.Y
920

AVG
Generic
2015.0.3398

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14729

Bitdefender
Adware.SwiftBrowse.Y
1.0.20.1050

Emsisoft Anti-Malware
Adware.SwiftBrowse.Y
8.14.07.29.11

ESET NOD32
Win32/BrowseFox (variant)
8.10173

F-Secure
Adware.SwiftBrowse.Y
11.2014-29-07_3

G Data
Adware.SwiftBrowse
14.7.24

Malwarebytes
PUP.Optional.ScanTack.A
v2014.07.29.11

MicroWorld eScan
Adware.SwiftBrowse.Y
15.0.0.630

nProtect
Adware.SwiftBrowse.Y
14.07.29.01

Reason Heuristics
PUP.Service.ScanTack.M
14.7.29.23

Sophos
Generic PUA JA
4.98

Trend Micro House Call
Suspicious_GEN.F47V0729
7.2.210

VIPRE Antivirus
Yontoo
31732

File size:
315.8 KB (323,360 bytes)

Product version:
1.0.5322.38053

Original file name:
ScanTack.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\scantack\bin\utilscantack.exe

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 1:00:00 AM

Valid to:
1/23/2015 12:59:59 AM

Subject:
CN=Scan Tack, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
44D91A3142283CE62B23F23C84838B0D

File PE Metadata
Compilation timestamp:
7/29/2014 12:08:40 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:hzHlcIfvHq8P1SY0qQ5h+0B+I5uVnAihgNtXb2ls:hzHDnHMyVAihgTal

Entry address:
0x4EB7E

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...
 
[+]

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

Code size:
307 KB (314,368 bytes)

Service
Display name:
Update ScanTack

Type:
Win32OwnProcess


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