{1451f279-8b19-43e6-92be-fda8b8d810d7}w64.sys

webget

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1451f279-8b19-43e6-92be-fda8b8d810d7}w64.sys by webget has been detected as adware by 16 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{1451f279-8b19-43e6-92be-fda8b8d810d7}w64”. 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 webget)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
e6f276daf5e7b3a271d59758198ac4f5

SHA-1:
2251683ce89215bbb8b923bbbaf93b1b3be70740

SHA-256:
fb757b479e8f1ec5de4b7505b7e5a6ead07de200730bb394b8490015653e76d7

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
4/19/2024 6:16:37 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
827

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Generic
2015.0.3305

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141031

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1520

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21411

Dr.Web
Tool.NetFilter.313
9.0.1.0304

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.10.31.07

ESET NOD32
Win64/BrowseFox (variant)
8.10605

F-Secure
Adware.SwiftBrowse.CH
11.2014-31-10_6

G Data
Adware.SwiftBrowse.CH
14.10.24

McAfee
Artemis!E6F276DAF5E7
5600.6961

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.912

nProtect
Adware.SwiftBrowse.CH
14.10.22.01

Reason Heuristics
PUP.webget.m
14.10.31.7

VIPRE Antivirus
Trojan.Win32.Generic
34164

File size:
47.6 KB (48,776 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{1451f279-8b19-43e6-92be-fda8b8d810d7}w64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/9/2014 5:30:00 AM

Valid to:
4/23/2015 5:29:59 AM

Subject:
CN=webget, O=webget, L=Santa Monica, 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:
21478236B3E6F5751970D9189D172CA4

File PE Metadata
Compilation timestamp:
9/23/2014 12:31:54 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lm7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3kwoCY:IFID6EGnLA8AFJTNEVmDknD

Entry address:
0xC064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 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, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Entropy:
6.3931

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{1451f279-8b19-43e6-92be-fda8b8d810d7}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI