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outobox.gcupdate.dll

KnowledgeSlot

This is the Google Chrome extension manager/updater for the Yontoo KnowledgeSlot branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module outobox.gcupdate.dll by KnowledgeSlot has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
KnowledgeSlot  (signed and verified)

Version:
1.0.5795.32495

MD5:
fac196ac71d3dfc114c84e0d7f383a69

SHA-1:
229d2603867012e08bda08e6a9b808ddb9908aad

SHA-256:
881b787e3f8755762cb946ab57e7125592ce138e4c11876215ededdcd13a80ac

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
12/26/2024 12:47:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.16.9

File size:
1.5 MB (1,576,648 bytes)

Product version:
1.0.5795.32495

Original file name:
2015111402.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\outobox\bin\plugins\outobox.gcupdate.dll

Digital Signature
Signed by:
KnowledgeSlot

Authority:
VeriSign, Inc.

Valid from:
10/21/2015 5:00:00 PM

Valid to:
10/21/2016 4:59:59 PM

Subject:
CN=KnowledgeSlot, O=KnowledgeSlot, 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:
014A38E3A928A6111C83C4B7C7ACBBC5

File PE Metadata
Compilation timestamp:
11/13/2015 6:03:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x180C76

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:
7.2871

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

Code size:
1.5 MB (1,568,256 bytes)

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