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GreyGray.GCUpdate.dll

GreyGray

This is the Google Chrome extension manager/updater for the Yontoo GreyGray branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module GreyGray.GCUpdate.dll by GreyGray has been detected as adware by 6 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
GreyGray  (signed and verified)

Version:
1.0.5182.28766

MD5:
a0ad72f6d962d0d0887db07090c92b41

SHA-1:
336fa9c69754dff302b0d2348395ec4d9320f62f

SHA-256:
f6363a980c871964a28b36db54c37f9f2da871c42cfb939d59607b87f3546023

Scanner detections:
6 / 68

Status:
Adware

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

Analysis date:
4/19/2024 7:37:00 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.GreyGray
2015.0.3496

Baidu Antivirus
Adware.MSIL.BrowseFox
4.0.3.14423

Dr.Web
Trojan.BPlug.33
9.0.1.0113

ESET NOD32
MSIL/BrowseFox (variant)
8.9709

Reason Heuristics
Adware.Yontoo.GreyGray.Q
14.8.7.20

Sophos
GreyGray
4.98

File size:
449.3 KB (460,056 bytes)

Product version:
1.0.5182.28766

Original file name:
GreyGray.GCUpdate.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
GreyGray

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 3:00:00 AM

Valid to:
9/20/2015 2:59:59 AM

Subject:
CN=GreyGray, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=GreyGray, 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:
23FF62A16C638B371A4AB98A8F876E8B

File PE Metadata
Compilation timestamp:
3/10/2014 7:59:04 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:ZWA6YCO/LAUZQwGQMPxV1YWa0J10AMLMQpFkf92h4v:ZWA6k/LAYGQMPDqpAMRpF8v

Entry address:
0x7035E

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:
7.6774

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

Code size:
441 KB (451,584 bytes)

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