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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 12 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:
8f61b1d943b1ee52910f3ca7b4744686

SHA-1:
a660584ebe7dc76a97e1760eb10c6483d09d365b

SHA-256:
02b2ea4bb88be812bc3fc7807a2ff454f7e9ddb2c85594c43a5590fc2629efba

Scanner detections:
12 / 68

Status:
Adware

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

Analysis date:
4/19/2024 8:13:23 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Yotoon
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.282
7.11.171.32

AVG
Generic
2015.0.3344

herdProtect (fuzzy)
variant of {be5bf058-a067-4076-8c2e-22b9345a0260}gt.sys (Adware)
2014.12.4.15

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.7.5.0

McAfee
Artemis!2BA06642D441
5600.7000

NANO AntiVirus
Riskware.Win32.Yotoon.denstu
0.28.2.61942

Qihoo 360 Security
Win32/Virus.Adware.37c
1.0.0.1015

Reason Heuristics
PUP.SmarterPower.l
14.9.22.10

Sophos
Browse Fox
4.98

VIPRE Antivirus
Trojan.Win32.Generic
32888

Zillya! Antivirus
Adware.Yotoon.Win64.6
2.0.0.1905

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:
8/4/2014 7:00:00 PM

Valid to:
8/5/2015 6:59:59 PM

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:
8/6/2014 6:52:31 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:xOnnE+ZwNszUTw/RqzGojR/h3cKG45q30XGBUuJ0xEkMHd8OagKmvz11/6RRRdzn:inERxTukHzTrGCuGOVh1/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...
 
[+]

Entropy:
6.3410

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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