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updatekrabweb.exe

Krab Web

Part of the Yontoo web browser plugin (delivers advertisements to the web browser in the form of injected banners, text-links, popups, etc.) the updater mechanism for Krab Web will automatically keep the extension patched by downloaded new functionality which is auto-enabled by default. The application updatekrabweb.exe by Krab Web 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 “Update Krab Web”.
Publisher:
Krab Web  (signed and verified)

Version:
1.0.5359.42416

MD5:
6a5c883f76a52a5074c3149c352a3ce8

SHA-1:
fd1124c7922e8f71036265d432662d574b3b4503

SHA-256:
5645bc0f0380a75d76cb1e9da9b87c68759139fa898ccf1c76af0e3ba0d7aee9

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo adware web browser extension update process.

Analysis date:
5/3/2024 4:50:29 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.1.21.14

File size:
315.8 KB (323,360 bytes)

Product version:
1.0.5359.42416

Original file name:
KrabWeb.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\Program Files\krab web\updatekrabweb.exe

Digital Signature
Signed by:
Krab Web

Authority:
DigiCert Inc

Valid from:
6/8/2014 9:30:00 PM

Valid to:
6/17/2015 9:30:00 AM

Subject:
CN=Krab Web, O=Krab Web, L=Santa Monica, S=California, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0572744C4944FF55FB05A9A82A78D271

File PE Metadata
Compilation timestamp:
9/3/2014 10:04:10 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

Entry address:
0x4EBAA

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, D0, 02, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0937

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

Code size:
307 KB (314,368 bytes)

Service
Display name:
Update Krab Web

Type:
Win32OwnProcess


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