grabrez.boas.dll

GrabRez

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module grabrez.boas.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:
1.0.5506.35721

MD5:
d796839a5ac4a17d6ad47ed2de73aaa3

SHA-1:
7f5c8eb82af8c6d973fe88089acb045bd6750a3b

SHA-256:
145fc9cf7432ac4531cff9ddadcb35cddcf1cc6f174f43d227a3ee671a979f9a

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:
1/12/2025 12:53:16 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo.Search (M)
17.2.25.11

File size:
3.1 MB (3,278,568 bytes)

Product version:
1.0.5506.35721

Original file name:
GrabRez.BOAS2015012903.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/4/2014 4:00:00 AM

Valid to:
1/4/2016 3:59:59 AM

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:
1/29/2015 7:50:46 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x320566

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...
 
[+]

Entropy:
7.8255

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

Code size:
3.1 MB (3,270,144 bytes)

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