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greygraybho.dll

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module greygraybho.dll by GreyGray has been detected as adware by 14 anti-malware scanners. It is installed within the context of Internet Explore as a BHO (Browser Helper Object) under the name ‘GreyGray 1.0.0.4’. 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)

Product:
GreyGray

Version:
1.0.0.4

MD5:
477d81104e4b1bbc292ff2acb7c7c9fe

SHA-1:
ec253aca80bc7c741350458a445b1408f6423471

SHA-256:
261f945403bef5e5ed1df0196214290af29447cf09f63f75973f39966a647674

Scanner detections:
14 / 68

Status:
Adware

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

Analysis date:
4/25/2024 2:53:05 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/BrowseFox.Gen2
7.11.189.64

AVG
Adware BrowseFox.F
2014.0.4189

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141128

Comodo Security
Application.Win32.BrowseFox.JM
20215

Dr.Web
Trojan.BPlug.144
9.0.1.05190

ESET NOD32
Win32/BrowseFox.O potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.186.14161

Malwarebytes
PUP.Optional.Greygray.A
v2014.11.28.12

McAfee
BrowseFox-FRR
5600.6933

NANO AntiVirus
Trojan.Win32.BPlug.dfogbn
0.28.6.63726

Qihoo 360 Security
HEUR/QVM30.1.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.BHO.GreyGray.L
14.11.28.0

Vba32 AntiVirus
AdWare.SwiftBrowse
3.12.26.3

VIPRE Antivirus
Threat.4741131
35088

File size:
244.3 KB (250,136 bytes)

Product version:
1.0.0.4

Copyright:
(c) GreyGray. All rights reserved.

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\greygray\greygraybho.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

Registration
CLSID:
{ae60e6ed-49dd-4099-8b5e-386a4908d5d5}

COM registered:
Yes

File PE Metadata
Compilation timestamp:
11/26/2014 12:54:51 PM

OS version:
6.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:GdhoO5HVf9iKQkpiUFjIliZe9eAxjN+rIaIraYAufahR:GF5HVfxQSineGUIWJufahR

Entry address:
0x12854

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 41, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 70, 30, 03, 10, E8, BD, 01, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 04, 78, 03, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, FC, A4, 02, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
159 KB (162,816 bytes)

Internet Explorer BHO
Display name:
GreyGray 1.0.0.4

CLSID:
{ae60e6ed-49dd-4099-8b5e-386a4908d5d5}


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