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scantackbho.dll

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module scantackbho.dll by Scan Tack has been detected as adware by 21 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘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:
ScanTack  (signed by Scan Tack)

Product:
ScanTack

Version:
1.0.0.3

MD5:
b5cb7232990c2d6f88646c170afa0cf6

SHA-1:
ff7c03505875d5ae89d02d468e6733ec81b7f824

SHA-256:
9bf91165a6ddd206b2422519a972f912f4837964e49b4489871833dbe3f51680

Scanner detections:
21 / 68

Status:
Adware

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

Analysis date:
4/19/2024 2:22:10 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Agent
7.1.1

Avira AntiVirus
APPL/BrowseFox.Gen2
7.11.144.202

AVG
MalSign.Generic
2015.0.3496

Baidu Antivirus
Adware.Win32.Agent
4.0.3.14423

Comodo Security
Application.Win32.Altbrowse.AK
18152

Dr.Web
Trojan.BPlug.28
9.0.1.0113

ESET NOD32
Win32/BrowseFox (variant)
8.9709

Fortinet FortiGate
Adware/Agent
4/23/2014

G Data
Win32.Application.BrowseFox
14.4.24

IKARUS anti.virus
not-a-virus:AdWare.Win32.Agent
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11806

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.3974

Malwarebytes
PUP.Optional.ScanTack.A
v2014.04.23.06

McAfee
Artemis!B5CB7232990C
5600.7152

NANO AntiVirus
Riskware.Win32.Agent.cuenda
0.28.0.59492

Reason Heuristics
Adware.Yontoo.ScanTack.L
14.4.23.6

Sophos
Generic PUA PP
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
10648

Trend Micro House Call
TROJ_GEN.F47V0422
7.2.113

Vba32 AntiVirus
AdWare.Agent
3.12.26.0

VIPRE Antivirus
Yontoo
28526

File size:
243.8 KB (249,632 bytes)

Product version:
1.0.0.3

Copyright:
(c) ScanTack. All rights reserved.

Original file name:
ScanTackIEClient.dll

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\Program Files\scantack\scantackbho.dll

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

Registration
CLSID:
{d332cff8-358e-4c9e-8af3-a08872ef22c1}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
4/23/2014 1:07:00 AM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:c7u3txDcB0bP0Thk+BClRz54ZM21m+2KIaI1sHWHMI:c7ujpQC+ZaJKIa2sI

Entry address:
0x12844

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 20, 2D, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 68, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, 7C, A1, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
ScanTack

CLSID:
{d332cff8-358e-4c9e-8af3-a08872ef22c1}


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