{82d31bd7-bfa9-4508-a691-a2ea6b39195b}gw64.sys

Greener Web

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {82d31bd7-bfa9-4508-a691-a2ea6b39195b}gw64.sys by Greener Web has been detected as adware by 8 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{82d31bd7-bfa9-4508-a691-a2ea6b39195b}Gw64”.
Publisher:
StdLib  (signed by Greener Web)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
91587d8edea137214a1eaf8b4456ef49

SHA-1:
700df9c6afa01bb8dd47fd90b557e5f974d6b605

SHA-256:
44d21f59b6d6c1bce6faa6b1f829b83cb0002ebffd0d9c131d8410333a4b51c1

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/16/2024 10:59:22 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.BPlug
7.1.1

AVG
Greeneb
2015.0.3390

Dr.Web
Trojan.BPlug.123
9.0.1.05190

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Reason Heuristics
PUP.GreenerWeb.n
14.8.6.21

Sophos
BrowseSmart
4.98

VIPRE Antivirus
Threat.4150696
31208

File size:
59.6 KB (61,016 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\{82d31bd7-bfa9-4508-a691-a2ea6b39195b}gw64.sys

Digital Signature
Signed by:

Authority:
DigiCert Inc

Valid from:
6/4/2014 8:00:00 PM

Valid to:
6/10/2015 8:00:00 AM

Subject:
CN=Greener Web, O=Greener Web, L=Santa Monica, S=California, C=US

Issuer:
CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
07CF8E3C70EA58D06FE678225FF74862

File PE Metadata
Compilation timestamp:
1/30/2014 7:45:30 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Yot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidIx4w2GMIsc:Y9JRicy938ip9ea1jmwoIsc

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 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, 00, 00, 00, 00, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Entropy:
5.9400

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{82d31bd7-bfa9-4508-a691-a2ea6b39195b}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI