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Skywebber.OptChecker.dll

Skywebber

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

Version:
1.0.5677.1556

MD5:
a787540501866a77e04ef9bab9e65c13

SHA-1:
22f18d1a1d4a801bc41a5f27a64fa8318b800c7f

SHA-256:
22aaf6d5f0ec7bd7eca8d4b1166a600b2ee0c6ab15a82446c11b285f8b42be13

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:
11/27/2024 4:52:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.12.5.3

File size:
660.7 KB (676,592 bytes)

Product version:
1.0.5677.1556

Original file name:
Skywebber.OptChecker.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
Skywebber

Authority:
VeriSign, Inc.

Valid from:
9/30/2014 8:00:00 AM

Valid to:
10/31/2015 7:59:59 AM

Subject:
CN=Skywebber, O=Skywebber, L=San Diego, 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:
7F2C7565BA7A1D63DE0E6852C552B843

File PE Metadata
Compilation timestamp:
7/18/2015 4:51:53 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:y/4aR/menaWOYHG/2oQR5AdeYQMFwunOl3VcQS3:HaR2YHM2oQRMJQMFwuOl3VcQS3

Entry address:
0xA516E

Entry point:
FF, 25, 00, 20, 00, 10, 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, 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...
 
[+]

Entropy:
6.1166

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

Code size:
652.5 KB (668,160 bytes)

Remove Skywebber.OptChecker.dll - Powered by Reason Core Security
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