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{7db8d663-3d4c-4384-b607-22c1e314b57e}gt.sys

snipsmart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {7db8d663-3d4c-4384-b607-22c1e314b57e}gt.sys by snipsmart has been detected as adware by 24 anti-malware scanners. It runs as a Windows kernel mode device driver named “{7db8d663-3d4c-4384-b607-22c1e314b57e}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 snipsmart)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
8071c35450054477b30f8476e306bfb4

SHA-1:
c227385ab61eff0cecda060bab381c3d5eb036f1

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/26/2024 6:44:45 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.J
776

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2014.12.20

Avira AntiVirus
Adware/BrowseFox.A.15
7.11.196.234

AVG
Generic
2015.0.3254

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141221

Bitdefender
Adware.NetFilter.J
1.0.20.1775

Clam AntiVirus
Win.Adware.Netfilter-130
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20423

Dr.Web
Trojan.BPlug.123
9.0.1.0355

Emsisoft Anti-Malware
Adware.NetFilter
8.14.12.21.08

ESET NOD32
Win64/BrowseFox.AG (variant)
8.10907

F-Prot
W32/A-b3b70cb0
v6.4.7.1.166

F-Secure
Adware.NetFilter.J
11.2014-21-12_1

G Data
Adware.NetFilter
14.12.24

K7 AntiVirus
Unwanted-Program
13.188.14395

McAfee
Artemis!8071C3545005
5600.6910

MicroWorld eScan
Adware.NetFilter.J
15.0.0.1065

NANO AntiVirus
Riskware.Win32.NetFilter.dgqvkd
0.28.6.64267

nProtect
Adware.NetFilter.J
14.12.19.01

Qihoo 360 Security
Win32/Virus.Adware.eb6
1.0.0.1015

Reason Heuristics
PUP.snipsmart.l
14.12.21.8

VIPRE Antivirus
Trojan.Win32.Generic
35916

Zillya! Antivirus
Adware.Yotoon.Win64.10
2.0.0.2011

File size:
54.5 KB (55,824 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{7db8d663-3d4c-4384-b607-22c1e314b57e}gt.sys

Digital Signature
Signed by:
snipsmart

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 2:00:00 AM

Valid to:
8/6/2015 1:59:59 AM

Subject:
CN=snipsmart, O=snipsmart, 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:
44017A0654590E4048857CE5A4A44F1A

File PE Metadata
Compilation timestamp:
12/19/2014 6:25:42 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Ho6LohZZMITF7zKLV3fXoKKxaFtFkW4VIWPLqvH9EQZLN+p60CeSlirb:Ho6+pT1UvYDEHFV4nPe/kpvCe2irb

Entry address:
0xA9BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 2A, E4, FF, FF, CC, CC, 34, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AE, 00, 00, 94, 93, 00, 00, 20, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AE, 00, 00, 80, 93, 00, 00, 2C, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AE, 00, 00, 8C, 93, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AE, 00, 00, 12, AE, 00, 00, 00, 00, 00, 00, 42, AE, 00, 00, 00, 00, 00, 00, 2C, AB, 00, 00, 44, AB, 00, 00, 56, AB...
 
[+]

Entropy:
6.3454

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{7db8d663-3d4c-4384-b607-22c1e314b57e}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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