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ClearThink.DspSvc.dll

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module ClearThink.DspSvc.dll by ClearThink has been detected as adware by 32 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:
ClearThink  (signed and verified)

Version:
1.0.5384.3981

MD5:
81a330eae295d8cd86de2dab92b2fe51

SHA-1:
efd7356ba3617c2579d4f70103c019fbdf7c15dd

SHA-256:
9baa0c003b8d486daa879adf24870aeac385fbda610e1ebce18234af7146d959

Scanner detections:
32 / 68

Status:
Adware

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

Analysis date:
4/23/2024 6:01:17 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CN
583

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.03.26

Avira AntiVirus
ADWARE/BrowseFox.Gen7
3.6.1.96

avast!
Win32:BrowseFox-ET [PUP]
2014.9-150701

AVG
Generic
2016.0.3061

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.1571

Bitdefender
Adware.SwiftBrowse.CN
1.0.20.910

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.MSIL.BrowseFox.A
21536

Dr.Web
Trojan.BPlug.149
9.0.1.0182

Emsisoft Anti-Malware
Adware.SwiftBrowse.CN
8.15.07.01.10

ESET NOD32
Win64/BrowseFox.AD potentially unwanted (variant)
9.11376

F-Prot
W32/S-667364f5
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CN
11.2015-01-07_4

G Data
Adware.SwiftBrowse.CN
15.7.25

K7 AntiVirus
Trojan
13.202.15381

Kaspersky
not-a-virus:AdWare.Win32.SwiftBrowse
14.0.0.1800

Malwarebytes
PUP.Optional.Sanbreel.A
v2015.07.01.10

McAfee
BrowseFox.a
5600.6717

MicroWorld eScan
Adware.SwiftBrowse.CN
16.0.0.546

NANO AntiVirus
Riskware.Win32.BPlug.dfzmqv
0.30.8.659

nProtect
Adware.SwiftBrowse.CN
15.03.25.01

Panda Antivirus
Trj/CI.A
15.07.01.10

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Quick Heal
Adware.Updater.A3
7.15.14.00

Reason Heuristics
PUP.Yontoo.ClearThink (M)
15.7.1.22

Sophos
Browse Fox
4.98

Trend Micro House Call
TROJ_GEN.R00UC0PJF14
7.2.182

Trend Micro
TROJ_GEN.R00UC0PJF14
10.465.01

VIPRE Antivirus
Yontoo
38772

Zillya! Antivirus
Adware.SwiftBrowse.Win32.1556
2.0.0.2117

File size:
553.7 KB (567,024 bytes)

Product version:
1.0.5384.3981

Original file name:
ClearThink.DspSvc.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\clearthink\bin\plugins\clearthink.dspsvc.dll

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 5:00:00 PM

Valid to:
8/5/2015 4:59:59 PM

Subject:
CN=ClearThink, O=ClearThink, L=Santa Monica, 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:
1200063ED04B1DA36F7FE204B3DD8617

File PE Metadata
Compilation timestamp:
9/27/2014 8:12:55 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:FDjwkBxSzpTkvbnrr05wMAG746qkdz5yJ:NjwSQpTkL0uMArk3G

Entry address:
0x8A562

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:
7.1586

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

Code size:
545.5 KB (558,592 bytes)

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