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GreyGray.OfSvc.dll

GreyGray

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module GreyGray.OfSvc.dll by GreyGray has been detected as adware by 13 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:
1.0.5444.21202

MD5:
7ddabfc8dab382d2afc61658e571f816

SHA-1:
fff96626632969e1005582d7c3ea25fdf4db795f

SHA-256:
b8a3ec1c672f2db0696ab8b171e149df6ec1c56e82281542675cd6ef108b8ea9

Scanner detections:
13 / 68

Status:
Adware

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

Analysis date:
4/25/2024 3:34:23 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

Dr.Web
Trojan.Yontoo.115
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.N
14.11.28.1

Sophos
GreyGray
4.98

VIPRE Antivirus
Threat.4741131
35088

File size:
1.4 MB (1,426,712 bytes)

Product version:
1.0.5444.21202

Original file name:
GreyGray.OfSvc.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\greygray\bin\plugins\greygray.ofsvc.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 4:46:55 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:D7W2olZRpt07/LhzUxbWBeUy6BQ5UwMsngWQFPjKzBEzzFij3G4UBGX8:PW2oaVzU7UyG5wB8FP0yQ64Ah

Entry address:
0x15C2B2

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:
1.4 MB (1,418,240 bytes)

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