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{a3f28269-ad17-41a8-b032-3e0313ef8979}t64.sys

Greener Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a3f28269-ad17-41a8-b032-3e0313ef8979}t64.sys by Greener Web has been detected as adware by 20 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{a3f28269-ad17-41a8-b032-3e0313ef8979}t64”. 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 Greener Web)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
cbe3bbc4b05d1ea5b2179edf7d0b22f0

SHA-1:
480146d3e7d3d0ea0fbf589e6dce08a29a9d4e21

SHA-256:
8b23797a523dfdbce2d7e66d019e2863240433d9102338ed7564f917711117c2

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/20/2024 1:15:41 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.AZ
864

Agnitum Outpost
PUA.Agent
7.1.1

AVG
NetCrawl
2015.0.3342

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14923

Bitdefender
Adware.SwiftBrowse.AZ
1.0.20.1330

Clam AntiVirus
Win.Adware.Swiftbrowse-8
0.98/21411

Dr.Web
Trojan.BPlug.123
9.0.1.0266

Emsisoft Anti-Malware
Adware.SwiftBrowse.AZ
14.09.23

F-Prot
W64/A-7883d091
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.AZ
11.2014-23-09_3

G Data
Adware.SwiftBrowse.AZ
14.9.24

herdProtect (fuzzy)
variant of {57f143ae-1ecd-493d-9ddb-32c45a3cecd5}gt64.sys (Adware)
2014.12.5.15

IKARUS anti.virus
PUA.Elex
t3scan.1.7.5.0

Kaspersky
not-a-virus:AdWare.Win64.Yotoon
15.0.0.494

McAfee
Artemis!0DAFC2CAD167
5600.6926

MicroWorld eScan
Adware.SwiftBrowse.AZ
15.0.0.798

nProtect
Adware.SwiftBrowse.AZ
14.09.23.01

Reason Heuristics
PUP.GreenerWeb.m
14.9.23.12

Trend Micro House Call
Suspicious_GEN.F47V0807
7.2.339

VIPRE Antivirus
Trojan.Win32.Generic
32220

File size:
58.7 KB (60,096 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{a3f28269-ad17-41a8-b032-3e0313ef8979}t64.sys

Digital Signature
Signed by:
Greener Web

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 2:00:00 AM

Valid to:
4/23/2015 1:59:59 AM

Subject:
CN=Greener Web, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Greener Web, 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:
5AE1591EB6D76718ADCE211DFB4D195B

File PE Metadata
Compilation timestamp:
1/31/2014 1:46:41 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
1536:MA0Ep72J9xc1JUzUPU/qnIy4fNwQKZzrtW+DGh:F0G72J8YvqIy4fNwQKNrtNDGh

Entry address:
0x10064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, 8E, B3, FF, FF, CC, CC, D0, 00, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 40, 05, 01, 00, 10, C0, 00, 00, C0, 00, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 62, 05, 01, 00, 00, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 4E, 05, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3C, 02, 01, 00, 00, 00, 00, 00, 50, 02, 01, 00, 00, 00, 00, 00, 6E, 02, 01, 00...
 
[+]

Code size:
45 KB (46,080 bytes)

Driver
Display name:
{a3f28269-ad17-41a8-b032-3e0313ef8979}t64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.