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skywebber.ofsvc.dll

Skywebber

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module skywebber.ofsvc.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:
1.0.5676.38883

MD5:
e9d3616abafcb15b2eba489b0bc70ed8

SHA-1:
f9f70c373e2a2fc81f6f80075640aeee43bb2636

SHA-256:
75e78e50fc522d87f743e30648aac8721297502972b8334ec9935f51430dca45

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:
11/30/2024 9:09:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.12.5.3

File size:
2 MB (2,136,304 bytes)

Product version:
1.0.5676.38883

Original file name:
Skywebber.OfSvc2015071805.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\skywebber\bin\plugins\skywebber.ofsvc.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 1:36:06 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:iJ7Sed3YuWelalPJOYkYCbHlzcQAmiPQzJ8uFI:a3TalkYk/Fm

Entry address:
0x20962E

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:
7.4547

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

Code size:
2 MB (2,127,872 bytes)

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