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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 10 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:
1.0.5444.33246

MD5:
ef0e841660da29153200f40803146333

SHA-1:
aa16d034651bcb8f706c44e73e1bd6af1385c64a

SHA-256:
e65fc1e521437b0c0e072e4acaaab5e433f85ad7a31d34a65e0ddee113dcc114

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
4/26/2024 10:03:30 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.189.64

avast!
MSIL:GenMalicious-BKU [PUP]
2014.9-141128

AVG
GreyGray
2015.0.3277

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

ESET NOD32
MSIL/BrowseFox.K potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.MSIL.BrowseFox
t3scan.1.8.3.0

K7 AntiVirus
Unwanted-Program
13.186.14161

Reason Heuristics
Adware.Yontoo.GreyGray.Q
14.11.28.1

Sophos
GreyGray
4.98

VIPRE Antivirus
Threat.4741131
35088

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

Product version:
1.0.5444.33246

Original file name:
GreyGray.GCUpdate2014112802.dll

File type:
Dynamic link library (Win32 DLL)

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

Digital Signature
Signed by:
GreyGray

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 5:00:00 AM

Valid to:
9/20/2015 4:59:59 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:
11/28/2014 7:28:20 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:ZfIx+DCL1PenKF6Lgqdo5C/gCCmcUfE9aZgPBfAS9ISBk8bxYK/IO5JsWuKpFbRi:tO9aZgm4W0x15uWHFlZWjs4E5mhaY

Entry address:
0x19275A

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...
 
[+]

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

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

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