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{1d7d694e-604c-4da2-9100-b2601d3a1c57}gt.sys

Solution Real

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1d7d694e-604c-4da2-9100-b2601d3a1c57}gt.sys by Solution Real has been detected as adware by 18 anti-malware scanners. It runs as a Windows kernel mode device driver named “{1d7d694e-604c-4da2-9100-b2601d3a1c57}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 Solution Real)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
5d821884c592b7c6cb0650ca4fd9ca27

SHA-1:
fa6e7e7ad12d5fa8257bc7e3d4827c3094cfd22b

SHA-256:
c7330361eca248d3a0e5b3fa30a472c2c5508ad190b68bf3119a1d73e38892e4

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
5/4/2024 3:39:48 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.J
737

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.15
7.11.205.78

AVG
Generic
2016.0.3215

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15128

Bitdefender
Adware.NetFilter.J
1.0.20.140

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20856

Emsisoft Anti-Malware
Adware.NetFilter
8.15.01.28.01

F-Prot
W32/A-b3b70cb0
v6.4.7.1.166

F-Secure
Adware.NetFilter.J
11.2015-28-01_4

G Data
Adware.NetFilter
15.1.25

MicroWorld eScan
Adware.NetFilter.J
16.0.0.84

nProtect
Adware.NetFilter.J
15.01.26.01

Reason Heuristics
PUP.Yontoo
15.2.5.12

VIPRE Antivirus
Trojan.Win32.Generic
36998

Zillya! Antivirus
Adware.Yotoon.Win64.10
2.0.0.2046

File size:
54.5 KB (55,832 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\{1d7d694e-604c-4da2-9100-b2601d3a1c57}gt.sys

Digital Signature
Signed by:
Solution Real

Authority:
VeriSign, Inc.

Valid from:
11/20/2014 1:00:00 AM

Valid to:
11/21/2015 12:59:59 AM

Subject:
CN=Solution Real, O=Solution Real, 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:
2D886A33232B2B3A4824AA07AEF87094

File PE Metadata
Compilation timestamp:
1/26/2015 4:45:44 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:ZTo6LohZZMITF7zKLV3fXoKKxaFtFkW4VIWPLqvH9EQZLN+p60CeJSAt:Ro6+pT1UvYDEHFV4nPe/kpvCewK

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...
 
[+]

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{1d7d694e-604c-4da2-9100-b2601d3a1c57}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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