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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:
1.0.5405.211

MD5:
f62e171d791f2635e73ecf652d9d26dc

SHA-1:
9345f392a6376ca85ccc00a6392b6af506c161b3

SHA-256:
443ab4eb2a74cfd2633876451d70d9ea1cd6b88139c474f8e6a2fd4e86e980f1

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/25/2024 9:25:07 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.14.5

File size:
1.6 MB (1,648,920 bytes)

Product version:
1.0.5405.211

Original file name:
GrabRez.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\grabrez\bin\plugins\grabrez.gcupdate.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 2:07:08 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x192596

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, D8, 25, 19, 00, D8, 07, 19, 00, 52, 53, 44, 53, 49, CE, FE, 9E, F8, 46, D4, 42, 99, FF, 9F, ED, DB, 14, B1, 1F, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 64, 33, 62, 6A, 68, 6F, 70, 6F, 2E, 73, 6F, 6A, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.3194

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

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

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