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clearthink.purbrowse.exe

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application clearthink.purbrowse.exe by ClearThink has been detected as adware by 26 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)

MD5:
6ef06f8f77cf2de9d3998cd49bda3e51

SHA-1:
4ee6b50989186f4f16cf6023e168dc18e9d5862e

SHA-256:
37c56f492880baee821bc704bcdbb54d6e035faf7da6a3b0fb671feaea46dfc5

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
5/5/2024 1:29:15 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CN
6213306

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.SwiftBrowse
2014.12.22

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.197.26

avast!
Win32:BrowseFox-EC [PUP]
141214-1

AVG
Generic
2015.0.3253

Bitdefender
Adware.SwiftBrowse.CN
1.0.20.1780

Clam AntiVirus
Win.Adware.Swiftbrowse-717
0.98/21511

Comodo Security
Application.Win32.AltBrowse.ZPGI
20438

Dr.Web
Trojan.BPlug.303
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CN
9.0.0.4668

ESET NOD32
Win32/BrowseFox.J potentially unwanted application
7.0.302.0

F-Prot
W32/S-631c6103
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CN
5.13.68

G Data
Adware.SwiftBrowse.CN
14.12.24

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.5.0

K7 AntiVirus
Trojan
13.188.14395

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Kranet
15.0.0.543

MicroWorld eScan
Adware.SwiftBrowse.CN
15.0.0.1068

NANO AntiVirus
Riskware.Win32.Kranet.dgxoam
0.28.6.64267

Norman
Adware.SwiftBrowse.CN
04.12.2014 14:30:06

nProtect
Adware.SwiftBrowse.CN
14.12.19.01

Reason Heuristics
PUP.ClearThink.T
14.12.22.4

Vba32 AntiVirus
AdWare.LinkSwift
3.12.26.3

VIPRE Antivirus
Threat.4741131
35418

Zillya! Antivirus
Backdoor.PePatch.Win32.52828
2.0.0.2012

File size:
289.2 KB (296,176 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\clearthink\bin\clearthink.purbrowse.exe

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

Valid from:
10/9/2014 3:00:00 AM

Valid to:
8/6/2015 2:59:59 AM

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:
59B72B1DB71CE323997B1EAF80E12AAE

File PE Metadata
Compilation timestamp:
12/22/2014 9:43:34 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:hk0tnURexVtDLJJtYd1RSWRotvcTB5ERGv:i0tnUReNDLJJtYd1RSWRotvcTr/v

Entry address:
0x213AE

Entry point:
E8, 55, 84, 00, 00, E9, 95, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 88, 34, 44, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 8C, 34, 44, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, 04, 52, 00, 00, 85, C0, 75, 06, B8, F0, 35, 44, 00, C3, 83, C0, 08, C3, E8, F1, 51, 00, 00, 85, C0, 75, 06, B8, F4, 35, 44, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Entropy:
6.6053

Code size:
210.5 KB (215,552 bytes)

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