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grabrez.expext.dll

GrabRez

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module grabrez.expext.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:
1.0.5506.41782

MD5:
4ce975ee1bc78760342fe89fcf6c3054

SHA-1:
21601fd13f1d453f0f58a8c7e65417216bb6957a

SHA-256:
0ba72764e222eb553f79209d9d2940aa00dd6d107a239ec0bb1fbffc4f446745

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:
5/4/2024 8:46:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.25.11

File size:
640.7 KB (656,104 bytes)

Product version:
1.0.5506.41782

Original file name:
GrabRez.ExpExt2015012907.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
GrabRez

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 11:12:50 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0xA01D6

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 58, 20, 0A, 00, BC, 02, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.6563

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

Code size:
632.5 KB (647,680 bytes)

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