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greygray.expext.dll

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module greygray.expext.dll by GreyGray has been detected as adware by 9 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:
1.0.5444.17449

MD5:
0b839c79fd155b762df77ad31a6d066b

SHA-1:
8f5d177aa5f0903829e522280722653e11eda7f9

SHA-256:
dc57e6638cef5f99233a44765020a7b3595c7a8716c07805639d2dd5dae2fa0a

Scanner detections:
9 / 68

Status:
Adware

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

Analysis date:
4/16/2024 12:23:02 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
Adware
13.186.14161

Qihoo 360 Security
Win32/Virus.Adware.708
1.0.0.1015

Reason Heuristics
PUP.GreyGray.O
14.11.28.1

Sophos
GreyGray
4.98

VIPRE Antivirus
Threat.4741131
35088

File size:
583.8 KB (597,784 bytes)

Product version:
1.0.5444.17449

Original file name:
GreyGray.ExpExt2014112717.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\greygray\bin\plugins\greygray.expext.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 10:41:43 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
12288:zV1BhXFCDlLSQhP0YPQ4Onab4J8XWYVQ13agz+atjhSSW3GuG1+rr+r6DFcRIWCM:zRduhP02id8hlxW3kc

Entry address:
0x91C1E

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:
575.5 KB (589,312 bytes)

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