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clearthink.purbrowse64.exe

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application clearthink.purbrowse64.exe by ClearThink 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:
ClearThink  (signed and verified)

MD5:
042b2da56f4a4e39e51f7c6c9c12ad9d

SHA-1:
4dce769eafe034a322ec2ae5ca7b3e6a47a3b0b1

SHA-256:
ab30fa66aaf56bc4c21e0cf32c6612081bffd182a9ef8a28a8ba1b4f3c883d16

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
5/7/2024 6:41:56 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Agent.OGI
889

Agnitum Outpost
Riskware.Agent
7.1.1

avast!
Win64:BrowseFox-A [PUP]
140813-1

AVG
Adware BrowseFox.A
2014.0.4015

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.14829

Bitdefender
Adware.Agent.OGI
1.0.20.1205

Dr.Web
Trojan.BPlug.100
9.0.1.05190

Emsisoft Anti-Malware
Adware.Agent.OGI
9.0.0.4324

ESET NOD32
Win64/BrowseFox.A potentially unwanted application
7.0.302.0

F-Secure
Adware.Agent.OGI
11.2014-29-08_6

G Data
Adware.Agent.OGI
14.8.24

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.7.5.0

nProtect
Adware.Agent.OGI
14.08.29.01

Reason Heuristics
PUP.ClearThink.V
14.8.29.13

VIPRE Antivirus
Threat.4150696
32210

Zillya! Antivirus
Adware.Kranet.Win64.1
2.0.0.1906

File size:
280.2 KB (286,960 bytes)

File type:
Executable application (Win64 EXE)

Common path:
C:\Program Files\clearthink\bin\clearthink.purbrowse64.exe

Digital Signature
Signed by:
ClearThink

Authority:
VeriSign, Inc.

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

Valid to:
8/6/2015 3:59:59 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:
1200063ED04B1DA36F7FE204B3DD8617

File PE Metadata
Compilation timestamp:
7/29/2014 12:43:01 AM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

CTPH (ssdeep):
6144:HoZk/KUcMPY18Ou41b4pPyK4j/TTl0yhv3Q7YTTBdZgaga3NS:HYk/KUgluPPCxXo7YTTfZt3A

Entry address:
0x201A0

Entry point:
48, 83, EC, 28, E8, 53, 77, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 48, 89, 5C, 24, 10, 48, 89, 7C, 24, 18, 55, 48, 8B, EC, 48, 83, EC, 60, 48, 8B, FA, 48, 8B, D9, 48, 8D, 4D, C0, 48, 8D, 15, E9, 04, 01, 00, 41, B8, 40, 00, 00, 00, E8, 8E, E4, FF, FF, 48, 8D, 55, 10, 48, 8B, CF, 48, 89, 5D, E8, 48, 89, 7D, F0, E8, 0E, 99, 00, 00, 4C, 8B, D8, 48, 89, 45, 10, 48, 89, 45, F8, 48, 85, FF, 74, 1B, F6, 07, 08, B9, 00, 40, 99, 01, 74, 05, 89, 4D, E0, EB, 0C, 8B, 45, E0, 4D, 85, DB, 0F, 44, C1, 89, 45...
 
[+]

Code size:
185 KB (189,440 bytes)

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