webporpoisebaapp.dll

Webporpoise

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module webporpoisebaapp.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)

MD5:
f7ee41afb7ea8bdd2a4581f43f4ab573

SHA-1:
d2d001c244c7e53cb03a701073f21579baefdd30

SHA-256:
a83840e1e809f908114d8f880fc1aafa181fe4284d7c96b41404d83e19b9340d

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:
5/9/2024 4:30:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Webporpoise (M)
16.2.12.22

File size:
179.3 KB (183,584 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\webporpoise\bin\webporpoisebaapp.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/14/2014 1:00:00 AM

Valid to:
3/15/2015 12:59:59 AM

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:
4/30/2014 1:20:18 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:10iHuOPsHW1DezTNt9mVbBoi0+DYCzLAnbLDQ6pCO+uE8nx:10EgzTNSdui0+Udn/DQ6IOvE8nx

Entry address:
0xF6DC

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 48, 75, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, A0, 25, 02, 10, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 18, 20, 02, 10, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 51, 53, 56, 8B, 35, D8, 20, 02, 10, 57, FF, 35...
 
[+]

Code size:
129.5 KB (132,608 bytes)

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