clearthink.purbrowse64.exe.pendingoverwrite

ClearThink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file clearthink.purbrowse64.exe.pendingoverwrite by ClearThink has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
ClearThink  (signed and verified)

MD5:
9462b068480f103dbb9dbef48106fd94

SHA-1:
7636557ecfd64934e90339e80a97dbaa7a299a20

SHA-256:
a4eca5cfdf324a29a766c10bd92cba02f9b3a05032be12860f5a4d56515cb5d6

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/19/2024 5:25:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.5

File size:
341.7 KB (349,936 bytes)

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 2:00:00 AM

Valid to:
8/6/2015 1:59:59 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:
9/9/2014 11:53:44 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows Console

Linker version:
10.0

Entry address:
0x25110

Entry point:
48, 83, EC, 28, E8, 77, 94, 00, 00, 48, 83, C4, 28, E9, 76, FE, FF, FF, CC, CC, 4C, 8D, 0D, 25, A5, 02, 00, 33, C0, 49, 8B, D1, 44, 8D, 40, 08, 3B, 0A, 74, 2B, FF, C0, 49, 03, D0, 83, F8, 2D, 72, F2, 8D, 41, ED, 83, F8, 11, 77, 06, B8, 0D, 00, 00, 00, C3, 81, C1, 44, FF, FF, FF, B8, 16, 00, 00, 00, 83, F9, 0E, 41, 0F, 46, C0, C3, 48, 98, 41, 8B, 44, C1, 04, C3, CC, 48, 83, EC, 28, E8, DB, 5E, 00, 00, 48, 85, C0, 75, 09, 48, 8D, 05, 37, A6, 02, 00, EB, 04, 48, 83, C0, 10, 48, 83, C4, 28, C3, 48, 83, EC, 28...
 
[+]

Code size:
230.5 KB (236,032 bytes)

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