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{ab7fd32d-0f7b-4b8f-842d-7df94246698f}w.sys

diamondata

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ab7fd32d-0f7b-4b8f-842d-7df94246698f}w.sys by diamondata has been detected as adware by 25 anti-malware scanners. It runs as a Windows kernel mode device driver named “{ab7fd32d-0f7b-4b8f-842d-7df94246698f}w”. 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:
StdLib  (signed by diamondata)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
4917f04ff0db1e0c2af21ac252e5ce0a

SHA-1:
7bfecfd8960f50f6dfc3010693c0675e05706362

SHA-256:
d435ebf399ea417a3d6e732b352c6cfeb73bb1064233617a80c995ce66e3ef67

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/19/2024 11:10:22 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
355

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.179.100

avast!
Win32:BrowseFox-CH [PUP]
2014.9-160215

AVG
BrowseFox
2017.0.2833

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.BrowseFox.V
1.0.20.230

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21411

Comodo Security
ApplicUnwnt
19827

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.16.02.15.04

ESET NOD32
Win64/BrowseFox (variant)
10.10580

F-Prot
W32/A-248e95ab
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2016-15-02_2

G Data
Adware.BrowseFox
16.2.25

K7 AntiVirus
Unwanted-Program
13.202.15597

MicroWorld eScan
Adware.BrowseFox.V
17.0.0.138

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.2.62671

Norman
Adware.BrowseFox.V
11.20160215

nProtect
Adware.BrowseFox.V
15.04.15.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.Yontoo.diamondata (M)
16.2.15.4

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Threat.5061968
33706

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1958

File size:
42.2 KB (43,200 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{ab7fd32d-0f7b-4b8f-842d-7df94246698f}w.sys

Digital Signature
Signed by:
diamondata

Authority:
VeriSign, Inc.

Valid from:
8/12/2013 9:00:00 PM

Valid to:
8/13/2015 8:59:59 PM

Subject:
CN=diamondata, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=diamondata, 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:
013DE313C00D49CFC0FA964B3315CD82

File PE Metadata
Compilation timestamp:
3/24/2015 11:14:59 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:pN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddMF:rhUcpH/0+LCf7EziDHhd

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{ab7fd32d-0f7b-4b8f-842d-7df94246698f}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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