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{e34ff9ce-e6b6-450a-ace7-3acd1926facd}gt.sys

ResultsBay

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {e34ff9ce-e6b6-450a-ace7-3acd1926facd}gt.sys by ResultsBay has been detected as adware by 8 anti-malware scanners. It runs as a Windows kernel mode device driver named “{e34ff9ce-e6b6-450a-ace7-3acd1926facd}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 ResultsBay)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
4c154da5f2881b7921fa03edd7ceb187

SHA-1:
4a12d755985acab735de06e23324e4a6ad90c0b6

SHA-256:
545e862e7540889505b8dadb40befa1ca8e448e1f6c6da20f1e5467c751a2979

Scanner detections:
8 / 68

Status:
Adware

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

Analysis date:
4/18/2024 1:32:11 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2015.0.3367

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14829

Dr.Web
Trojan.BPlug.117
9.0.1.0241

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

NANO AntiVirus
Trojan.Win32.BPlug.dcxxfx
0.28.2.61519

Reason Heuristics
PUP.ResultsBay.l
14.8.29.15

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
32186

File size:
53.9 KB (55,232 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\{e34ff9ce-e6b6-450a-ace7-3acd1926facd}gt.sys

Digital Signature
Signed by:
ResultsBay

Authority:
VeriSign, Inc.

Valid from:
1/8/2014 5:00:00 PM

Valid to:
1/9/2015 4:59:59 PM

Subject:
CN=ResultsBay, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=ResultsBay, L=San Diego, 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:
417BA0831CCEDA70AD676F5D148B949A

File PE Metadata
Compilation timestamp:
1/30/2014 5:46:38 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VcbP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RR0i:yP7EJSTukuzTrGYs+JNBUtRL

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:
6.3483

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{e34ff9ce-e6b6-450a-ace7-3acd1926facd}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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