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PortalMore.OptChecker.dll

PortalMore

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

Version:
1.0.5499.13685

MD5:
ab83faba2f324577c83b5c24967ac941

SHA-1:
bcb33ffaf0b4af43a0caa2a796103f475b5587e3

SHA-256:
67e4cb324102010a052d5005313ae6bd7cb409f4e3eb1206cf91363e853c611f

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:
11/23/2024 10:29:12 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.10

File size:
723.7 KB (741,104 bytes)

Product version:
1.0.5499.13685

Original file name:
PortalMore.OptChecker.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\portalmore\bin\plugins\portalmore.optchecker.dll

Digital Signature
Signed by:
PortalMore

Authority:
VeriSign, Inc.

Valid from:
10/8/2014 2:00:00 AM

Valid to:
10/9/2015 1:59:59 AM

Subject:
CN=PortalMore, O=PortalMore, 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:
14DCC59945E4B46B41587E1F633D56C1

File PE Metadata
Compilation timestamp:
1/21/2015 5:36:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xB4B9A

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, 02, 00, 00, 00, 73, 00, 00, 00, DC, 4B, 0B, 00, DC, 2D, 0B, 00, 52, 53, 44, 53, AD, 96, 8E, 87, 09, A2, 07, 48, BA, 28, 4F, 88, E1, D4, 1A, EE, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 77, 69, 79, 6F, 75, 66, 64, 68, 2E, 71, 66, 34, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.8626

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

Code size:
715.5 KB (732,672 bytes)

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