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GrabRez.BrowserFilter.dll

GrabRez

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

Version:
1.0.5404.29786

MD5:
9862fb71c2f448751964a6190a14a0b1

SHA-1:
b968231bdf7ec3752c70d6696e1d920b8a810e5d

SHA-256:
114b0910d5f488f149a4aa8d51d880b0ba7582ba4e464ae17f4a348fc6415cae

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:
4/26/2024 5:08:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.5

File size:
643.8 KB (659,224 bytes)

Product version:
1.0.5404.29786

Original file name:
GrabRez.BrowserFilter.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
GrabRez

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 6:00:00 AM

Valid to:
11/28/2014 5:59:59 AM

Subject:
CN=GrabRez, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=GrabRez, 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:
63321F6F4FC45CBD2C4E1616655D18DB

File PE Metadata
Compilation timestamp:
10/19/2014 6:32:57 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xA0C3E

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, 02, 00, 00, 00, 76, 00, 00, 00, 80, 0C, 0A, 00, 80, EE, 09, 00, 52, 53, 44, 53, 00, 27, E9, D4, 01, 30, 30, 41, A8, F4, 78, DF, 83, 26, EC, D8, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 62, 31, 35, 6B, 34, 75, 35, 71, 2E, 66, 62, 67, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.6002

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

Code size:
635.5 KB (650,752 bytes)

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