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clearthink.expext.exe

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application clearthink.expext.exe by ClearThink has been detected as adware by 18 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:
1.0.6242.39491

MD5:
fa86d7d1f882b6d67dbd2e1aaf90a9d3

SHA-1:
e22503a8df4575acccc41f770017957faa01fcf5

SHA-256:
cc67e0e5678bd5a5d1ed9fca519cb0a88c78e1540d01651d94f1611f40db5044

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/23/2024 12:39:36 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CN
6213306

AhnLab V3 Security
PUP/Win32.BrowseFox
2014.12.22

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.197.26

AVG
Generic
2015.0.3253

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141222

Bitdefender
Adware.SwiftBrowse.CN
1.0.20.1780

Emsisoft Anti-Malware
Adware.SwiftBrowse.CN
9.0.0.4668

ESET NOD32
Win32/BrowseFox.AA potentially unwanted application
7.0.302.0

F-Prot
W32/S-4b3c2716
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CN
5.13.68

G Data
Adware.SwiftBrowse.CN
14.12.24

K7 AntiVirus
Unwanted-Program
13.188.14395

MicroWorld eScan
Adware.SwiftBrowse.CN
15.0.0.1068

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

nProtect
Adware.SwiftBrowse.CN
14.12.19.01

Reason Heuristics
Adware.Yontoo.ClearThink.Q
14.12.22.3

SUPERAntiSpyware
Adware.BrowserFox/Variant
10163

VIPRE Antivirus
Threat.4150696
35418

File size:
99.2 KB (101,616 bytes)

Product version:
1.0.6242.39491

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\clearthink\bin\clearthink.expext.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 6:34:30 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
1536:/161gHhYXA0G+l/gEWGnadKCxXfPWK6tHEkKnMBfuDtyVgkR3WQ:Q8hYrGq7YxXf+K698tyVg63H

Entry address:
0x561E

Entry point:
E8, AB, 3C, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, 7D, 08, 00, 74, 2D, FF, 75, 08, 6A, 00, FF, 35, 64, 7F, 41, 00, FF, 15, 4C, 20, 41, 00, 85, C0, 75, 18, 56, E8, 2F, 08, 00, 00, 8B, F0, FF, 15, 68, 20, 41, 00, 50, E8, DF, 07, 00, 00, 59, 89, 06, 5E, 5D, C3, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 69, 33, C0, 8A, 44, 24, 08, 84, C0, 75, 16, 81, FA, 80, 00, 00, 00, 72, 0E, 83, 3D, C0, 91, 41, 00, 00, 74, 05, E9, CD, 3C, 00, 00, 57, 8B...
 
[+]

Entropy:
6.4321

Code size:
65.5 KB (67,072 bytes)

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