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GrabRez.GCUpdate.dll

GrabRez

This is the Google Chrome extension manager/updater for the Yontoo GrabRez branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module GrabRez.GCUpdate.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:
1.0.5433.36729

MD5:
e780663870a8ba35b0eea764e507a1b6

SHA-1:
d5339b4debbcd3a14b2c3b5e2f475b0b7ab15922

SHA-256:
bc24e1fb04ec305e28170c7b519fc7775aedfb7e8083f64b56a065f6e4cce07e

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
1/12/2025 12:52:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.5.3

File size:
1.6 MB (1,648,872 bytes)

Product version:
1.0.5433.36729

Original file name:
GrabRez.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
GrabRez

Authority:
VeriSign, Inc.

Valid from:
11/3/2014 7:00:00 PM

Valid to:
1/3/2016 6:59:59 PM

Subject:
CN=GrabRez, 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:
480BAD6BB5A4820321638294CE8F3B13

File PE Metadata
Compilation timestamp:
11/16/2014 11:24:22 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x1925CA

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, 6C, 00, 00, 00, 0C, 26, 19, 00, 0C, 08, 19, 00, 52, 53, 44, 53, 7E, B3, 44, 5A, 61, D5, 12, 4B, 99, 0F, 80, 01, 33, E0, 29, 19, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 62, 32, 64, 63, 6F, 32, 6C, 31, 2E, 30, 7A, 76, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
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Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
1.6 MB (1,640,448 bytes)

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