home

{6fcd6092-9615-4f7f-8898-8df53980e5d2}gt.sys

NetCrawl

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6fcd6092-9615-4f7f-8898-8df53980e5d2}gt.sys by NetCrawl has been detected as adware by 5 anti-malware scanners. It runs as a Windows kernel mode device driver named “{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gt”. 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 NetCrawl)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
2aa759ded433f6bfe6a2d487b375f58f

SHA-1:
00e4573ce2d673bd9b7a77d25c861c04433206c5

Scanner detections:
5 / 68

Status:
Adware

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

Analysis date:
5/19/2024 10:33:51 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
NetCrawl
2015.0.3417

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14710

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.6.1.0

Reason Heuristics
PUP.NetCrawl.l
14.7.10.20

VIPRE Antivirus
Trojan.Win32.Generic
31110

File size:
53.9 KB (55,224 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{6fcd6092-9615-4f7f-8898-8df53980e5d2}gt.sys

Digital Signature
Signed by:
NetCrawl

Authority:
VeriSign, Inc.

Valid from:
4/28/2014 8:00:00 PM

Valid to:
4/29/2015 7:59:59 PM

Subject:
CN=NetCrawl, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=NetCrawl, 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:
3C05F8D25EB72CD5B6EB863AA0585F70

File PE Metadata
Compilation timestamp:
1/30/2014 7:46:38 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VnbP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RRACY:VP7EJSTukuzTrGYs+JNBUtRA

Entry address:
0xA73E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, CA, E3, FF, FF, CC, CC, B4, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, AB, 00, 00, 94, 90, 00, 00, A0, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BA, AB, 00, 00, 80, 90, 00, 00, AC, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D6, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, AB, 00, 00, 92, AB, 00, 00, 00, 00, 00, 00, C2, AB, 00, 00, 00, 00, 00, 00, AC, A8, 00, 00, C4, A8, 00, 00, D6, A8...
 
[+]

Entropy:
6.3486

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{6fcd6092-9615-4f7f-8898-8df53980e5d2}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {6fcd6092-9615-4f7f-8898-8df53980e5d2}gt.sys - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.