{2c7123e0-8060-4135-84bd-dc46f3ba85ba}gw.sys

Ttessab

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {2c7123e0-8060-4135-84bd-dc46f3ba85ba}gw.sys by Ttessab has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows kernel mode device driver named “{2c7123e0-8060-4135-84bd-dc46f3ba85ba}Gw”.
Publisher:
StdLib  (signed by Ttessab)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
8fa125a4a51953ec81cac77219303736

SHA-1:
589d2fb751e52fdf8601616a3f7510f741c9551d

SHA-256:
325622c169bf14ab55cb6b3dcae55b12605e412d776c1e662a9b9a909fde8965

Scanner detections:
1 / 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:
11/23/2024 7:45:41 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.16

File size:
42.2 KB (43,192 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{2c7123e0-8060-4135-84bd-dc46f3ba85ba}gw.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 3:00:00 AM

Valid to:
9/20/2015 2:59:59 AM

Subject:
CN=Ttessab, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Ttessab, 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:
198AA4CA33AF1FC06C47646A032C938B

File PE Metadata
Compilation timestamp:
4/6/2015 2:36:16 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{2c7123e0-8060-4135-84bd-dc46f3ba85ba}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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