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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:
1.0.5169.36615

MD5:
48c9e466f1ddf138308afb82be23b356

SHA-1:
5aeeb29a3b97bfffee022ad7d57186897a87c01a

SHA-256:
a25e6bd85aa4990549c4464854265722bf5ea937add9641665fe353c3544d050

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 6:07:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.GrabRez (M)
16.1.31.12

File size:
276.8 KB (283,416 bytes)

Product version:
1.0.5169.36615

Original file name:
GrabRez.BrowserFilter.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
GrabRez

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 12:00:00 AM

Valid to:
11/27/2014 11:59:59 PM

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:
2/25/2014 8:20:38 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:kvDuLG+/euBfUwFd0ExbyETXhL6vkUTMrltTIw/dJxQfydr20sQCc:kbun1NUwFbBycx3UiJxQKI0Ec

Entry address:
0x450FA

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...
 
[+]

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

Code size:
268.5 KB (274,944 bytes)

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