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greygray.purbrowse.dll

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module greygray.purbrowse.dll by GreyGray has been detected as adware by 8 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:
1.0.5444.17000

MD5:
7159cb9418ca94e606396e3f35946ce9

SHA-1:
20d61344c19ed07e0432b42ed2c6bf73a8fd01b8

SHA-256:
5323e90ca7a9b9949bfa470cf3c7e8e1d86903a8fb1f1b316d123c267ab9845d

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/25/2024 2:45:14 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.189.64

AVG
GreyGray
2015.0.3277

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

ESET NOD32
MSIL/BrowseFox.H potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.186.14161

Reason Heuristics
Adware.Yontoo.GreyGray.R
14.11.28.1

Sophos
GreyGray
4.98

VIPRE Antivirus
Threat.4741131
35088

File size:
934.8 KB (957,208 bytes)

Product version:
1.0.5444.17000

Original file name:
GreyGray.PurBrowse2014112717.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\greygray\bin\plugins\greygray.purbrowse.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:
11/27/2014 10:26:47 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:sTTTIm9srwElmbDQ/+AZQajJodpDmJiJN7VVVILBtjjGX65f50dUmqguIl:s/TzsMbDSZP1uqJmV9Kn0djq/I

Entry address:
0xE988E

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:
926.5 KB (948,736 bytes)

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