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joomiweb.browserfilter.helper.dll

Joomiweb

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

MD5:
91e4db729e61af178c958d5f1c0b1201

SHA-1:
d9d5f10b9c85f9c04c6986c58f5e8e78fdd4b9ef

SHA-256:
cbeb8d10e7e1455dec2bf3221b6d609781698a13255badc57ac0345c97313726

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 12:41:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.Joomiweb (M)
16.5.22.9

File size:
388.8 KB (398,104 bytes)

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\joomiweb\bin\joomiweb.browserfilter.helper.dll

Digital Signature
Signed by:
Joomiweb

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 8:00:00 AM

Valid to:
10/8/2014 7:59:59 AM

Subject:
CN=Joomiweb, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Joomiweb, 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:
35DBC6CAD8D4C87516D7F0D05A8891EA

File PE Metadata
Compilation timestamp:
12/20/2013 8:19:54 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:tRLdBzWsg2wx/LuLK4yce91SsFbmsGR/TxczwK/NuZ54mlpoiP0YO4Asi7H4QN:XLdHsLe/6JxmsGJxc71uLNPXOcCHtN

Entry address:
0x1A2DA

Entry point:
8B, FF, 55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, F5, 61, 00, 00, FF, 75, 08, 8B, 4D, 10, 8B, 55, 0C, E8, EC, FE, FF, FF, 59, 5D, C2, 0C, 00, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 40, D4, 05, 10, 89, 0D, 3C, D4, 05, 10, 89, 15, 38, D4, 05, 10, 89, 1D, 34, D4, 05, 10, 89, 35, 30, D4, 05, 10, 89, 3D, 2C, D4, 05, 10, 66, 8C, 15, 58, D4, 05, 10, 66, 8C, 0D, 4C, D4, 05, 10, 66, 8C, 1D, 28, D4, 05, 10, 66, 8C, 05, 24, D4, 05, 10, 66, 8C, 25, 20, D4, 05, 10, 66, 8C, 2D, 1C, D4, 05, 10, 9C, 8F, 05, 50, D4...
 
[+]

Entropy:
4.9084

Code size:
174 KB (178,176 bytes)

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