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GreyGray.BOAS.dll

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module GreyGray.BOAS.dll by GreyGray has been detected as adware by 14 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:
1.0.5444.21230

MD5:
9d160cd155deed026a46bb866d5c8f51

SHA-1:
cff402e2f37ebcf58fd3e5ccb7ad858c22b937d2

SHA-256:
be565ee803c431a2241daa112014c751181539cdd34ec8b69635b6c1a7f94ba0

Scanner detections:
14 / 68

Status:
Adware

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

Analysis date:
4/23/2024 10:04:08 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Helper
2014.11.28

Avira AntiVirus
ADWARE/BrowseFox.Gen7
7.11.189.64

AVG
GreyGray
2015.0.3277

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

Dr.Web
Trojan.BPlug.229
9.0.1.05190

ESET NOD32
MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

G Data
Win32.Adware.BrowseFox
14.11.24

K7 AntiVirus
Adware
13.186.14161

Kaspersky
not-a-virus:HEUR:AdWare.MSIL.Kranet
14.0.0.2880

Malwarebytes
PUP.Optional.Sanbreel.A
v2014.11.28.01

McAfee
BrowseFox.a
5600.6933

Reason Heuristics
PUP.GreyGray.M
14.11.28.1

Sophos
GreyGray
4.98

VIPRE Antivirus
Threat.4741131
35088

File size:
2.7 MB (2,815,256 bytes)

Product version:
1.0.5444.21230

Original file name:
GreyGray.BOAS.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\greygray\bin\plugins\greygray.boas.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 4:47:54 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
49152:RjXpAEl0ctkDzsTbLFdfT6RWXVtHGq7fIwlQr3Uj5muuEGjzrQRr5Ti5G2arsuD:RjXuE5kcFtTlmSftlFEjnU5TiMHouD

Entry address:
0x2AF3FA

Entry point:
FF, 25, 00, 20, 40, 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, 54, 00, 2B, 00, 8C, 02, 00, 00, 00, 00, 00, 00, 8C, 02, 34, 00, 00, 00, 56, 00, 53, 00, 5F, 00, 56, 00, 45, 00, 52, 00, 53, 00, 49, 00, 4F, 00, 4E, 00, 5F, 00, 49, 00, 4E, 00, 46, 00, 4F, 00, 00, 00...
 
[+]

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

Code size:
2.7 MB (2,806,784 bytes)

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