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GrabRez.exe

GrabRez

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file GrabRez.exe 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:
1.0.5395.30693

MD5:
953eed15022e64d43e4676b538b99b35

SHA-1:
00d6a235ed6a1171fb53e8179717d307305a8245

SHA-256:
c20b508be47d3de0cc9e1a935bcb78b2713ee72bb0f1b6d72e4f9b356ca51872

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:
12/24/2024 5:03:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.3.3

File size:
510.3 KB (522,520 bytes)

Product version:
1.0.5395.30693

Original file name:
GrabRez.exe

Language:
Language Neutral

Common path:
C:\Program Files\grabrez\bin\tmp3533.tmp

Digital Signature
Signed by:
GrabRez

Authority:
VeriSign, Inc.

Valid from:
11/26/2013 7:00:00 PM

Valid to:
11/27/2014 6:59:59 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:
10/9/2014 9:03:11 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x7F40A

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, 5A, 00, 00, 00, 4C, F4, 07, 00, 4C, D6, 07, 00, 52, 53, 44, 53, 4D, CD, 04, 0B, AC, A0, B9, 40, 96, CD, 25, FB, E4, A9, FD, 4D, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 32, 72, 71, 30, 63, 78, 32, 34, 2E, 64, 78, 33, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
5.9166

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

Code size:
501.5 KB (513,536 bytes)

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