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utilskywebber.exe

Skywebber

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilskywebber.exe by Skywebber has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Util Skywebber”.
Publisher:
Skywebber  (signed and verified)

Version:
1.0.5315.4939

MD5:
c5676557c344f8e68eaca54bf26b60b0

SHA-1:
25ca52b7f5a1b17621ff201783815ab1f714ebfe

SHA-256:
27258cfc560acdeb5a5c6cab835441abad64202f37aa66688c02b4c7f0f47285

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:
4/20/2024 2:55:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.9.21.11

File size:
314.3 KB (321,824 bytes)

Product version:
1.0.5315.4939

Original file name:
Skywebber.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\skywebber\bin\utilskywebber.exe

Digital Signature
Signed by:
Skywebber

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 5:30:00 AM

Valid to:
10/8/2014 5:29:59 AM

Subject:
CN=Skywebber, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
06606AB25DD3CD2FC4C1610240BD0EF8

File PE Metadata
Compilation timestamp:
7/21/2014 9:14:53 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:ASJBn8jC0VzyP3kYlh/5sL3v7Sqs767THmfpbXIXD8:ASJBeCoyPVJriT0VN

Entry address:
0x4E58E

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, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
6.0970

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

Code size:
305.5 KB (312,832 bytes)

Service
Display name:
Util Skywebber

Type:
Win32OwnProcess


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