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Storimbo.BrowserFilter.dll

Storimbo

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

Version:
1.0.5155.25671

MD5:
d2d84a4467217ce2fe0111d780db834b

SHA-1:
736e0657d30cfc20874c06c31692580381dd61b8

SHA-256:
6b9634e80a3291871eca1faa88419e01a8367382ab263863ee6dc8360a06abf5

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:
4/19/2024 6:50:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Storimbo (M)
16.1.23.2

File size:
276.3 KB (282,912 bytes)

Product version:
1.0.5155.25671

Original file name:
Storimbo.BrowserFilter.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\storimbo\bin\plugins\storimbo.browserfilter.dll

Digital Signature
Signed by:
Storimbo

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 1:00:00 AM

Valid to:
11/15/2014 12:59:59 AM

Subject:
CN=Storimbo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Storimbo, L=Santa Monica, 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:
1AC46D37F39AC4527AFEFF38AB955504

File PE Metadata
Compilation timestamp:
2/11/2014 3:15:50 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:0v3gNa8s+q+DsDWxUK/Qszh/cJHn9KBfOlwf19Id/W0OH9l/O:w3gkNQsDg/QszhinUfUwf1oijO

Entry address:
0x44FCE

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 54, 60, 04, 00, B4, 02...
 
[+]

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

Code size:
268 KB (274,432 bytes)

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