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{5eeb83d0-96ea-4249-942c-beead6847053}gt.sys

SmarterPower

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {5eeb83d0-96ea-4249-942c-beead6847053}gt.sys by SmarterPower has been detected as adware by 13 anti-malware scanners. It runs as a Windows kernel mode device driver named “{5eeb83d0-96ea-4249-942c-beead6847053}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 SmarterPower)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
2ba06642d4413bbb8acc27be688d77ee

SHA-1:
78f94995a989862d659005650b55654963524e5a

SHA-256:
6ff9c724c5fe667b465aba8e1d17a1eb4df1d42ea10a1ad887592908c80d0368

Scanner detections:
13 / 68

Status:
Adware

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

Analysis date:
5/18/2024 4:55:01 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Yotoon
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.282
7.11.171.178

AVG
Generic
2015.0.3353

herdProtect (fuzzy)
variant of {5eeb83d0-96ea-4249-942c-beead6847053}t.sys (Adware)
2014.11.9.7

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.7.8.0

McAfee
Artemis!F5D72C90DA86
5600.7009

NANO AntiVirus
Riskware.Win32.Yotoon.denstu
0.28.2.61942

Qihoo 360 Security
Win32/Virus.Adware.720
1.0.0.1015

Reason Heuristics
PUP.SmarterPower.l
14.9.13.8

Sophos
Browse Fox
4.98

Trend Micro House Call
Suspicious_GEN.F47V0907
7.2.313

VIPRE Antivirus
Trojan.Win32.Generic
33020

Zillya! Antivirus
Adware.Yotoon.Win64.6
2.0.0.1917

File size:
53.8 KB (55,064 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\{5eeb83d0-96ea-4249-942c-beead6847053}gt.sys

Digital Signature
Signed by:
SmarterPower

Authority:
VeriSign, Inc.

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

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

Subject:
CN=SmarterPower, O=SmarterPower, 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:
38D7C83A73CB4E3AC85648608E3170D8

File PE Metadata
Compilation timestamp:
8/7/2014 1:52:31 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:aOnnE+ZwNszUTw/RqzGojR/h3cKG45q30XGBUuJ0xEkMHd8OagKmvz11/6RRRdzn:hnERxTukHzTrGCuGOVh1/yR

Entry address:
0xA6BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 4A, E4, FF, FF, CC, CC, 34, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AB, 00, 00, 94, 90, 00, 00, 20, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AB, 00, 00, 80, 90, 00, 00, 2C, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, 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, 26, AB, 00, 00, 12, AB, 00, 00, 00, 00, 00, 00, 42, AB, 00, 00, 00, 00, 00, 00, 2C, A8, 00, 00, 44, A8, 00, 00, 56, A8...
 
[+]

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{5eeb83d0-96ea-4249-942c-beead6847053}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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