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ScanTack.OfSvc.dll

Scan Tack

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ScanTack.OfSvc.dll by Scan Tack has been detected as adware by 16 anti-malware scanners. 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:
1.0.5316.21243

MD5:
1d77cc2245a754128d85cbc8e2e147d8

SHA-1:
c98cff6ad55cc1aa4b940a7ef38e411a5b1591f1

SHA-256:
c2583570de8f1c8531b4f63bfe46b58669124a9b9d6d293ed66e30f8fef50a20

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
4/25/2024 2:41:23 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.Y
923

AVG
Generic
2015.0.3401

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.14727

Bitdefender
Adware.SwiftBrowse.Y
1.0.20.1040

Emsisoft Anti-Malware
Adware.SwiftBrowse.Y
8.14.07.27.03

ESET NOD32
MSIL/BrowseFox (variant)
8.10154

F-Secure
Adware.SwiftBrowse.Y
11.2014-27-07_1

G Data
Adware.SwiftBrowse
14.7.24

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.07.27.03

McAfee
Artemis!1D77CC2245A7
5600.7057

MicroWorld eScan
Adware.SwiftBrowse.Y
15.0.0.624

nProtect
Adware.SwiftBrowse.Y
14.07.25.01

Qihoo 360 Security
HEUR/Malware.QVM23.Gen
1.0.0.1015

Reason Heuristics
PUP.ScanTack.N
14.7.27.3

Sophos
Generic PUA MJ
4.98

VIPRE Antivirus
Yontoo
31596

File size:
1 MB (1,089,824 bytes)

Product version:
1.0.5316.21243

Original file name:
ScanTack.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\scantack\bin\plugins\scantack.ofsvc.dll

Digital Signature
Signed by:
Scan Tack

Authority:
VeriSign, Inc.

Valid from:
1/22/2014 11:00:00 AM

Valid to:
1/23/2015 10:59:59 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:
7/22/2014 10:48:18 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:nS/uf3f7xbuBl1jgLJEgInqdNnW4qWfb5ElKgoGo1gxAx8PoTOkOdvB1NvS8fzm6:nSMugt4qdEQfCGGof8PoaN1QIMEJ3jz

Entry address:
0x109EC2

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...
 
[+]

Entropy:
7.6948

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

Code size:
1 MB (1,081,344 bytes)

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