webporpoise.expext.dll

Webporpoise

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

Version:
1.0.5462.14033

MD5:
55880adccdd6c32caa64c5ac6dade977

SHA-1:
2ced5cea0b6325f622eeab2883df63a96db74c37

SHA-256:
2ed6c44173ef03959272ded70aa0fbad1e64b1d53bd1cdfd2ce31c9df88d5258

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:
12/24/2024 12:09:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.10.10

File size:
583.8 KB (597,792 bytes)

Product version:
1.0.5462.14033

Original file name:
webporpoise.ExpExt2014121515.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\webporpoise\bin\plugins\webporpoise.expext.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/13/2014 6:00:00 PM

Valid to:
3/14/2015 5:59:59 PM

Subject:
CN=Webporpoise, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Webporpoise, 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:
77E73438E8DB62CBB923965C646E769F

File PE Metadata
Compilation timestamp:
12/15/2014 9:47:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x91DC2

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, 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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00...
 
[+]

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

Code size:
575.5 KB (589,312 bytes)

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