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{f8290414-c8ea-4713-a233-52a7037a2967}gw.sys

Zippy Zarp

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f8290414-c8ea-4713-a233-52a7037a2967}gw.sys by Zippy Zarp 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 “{f8290414-c8ea-4713-a233-52a7037a2967}Gw”.
Publisher:
StdLib  (signed by Zippy Zarp)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
f4e72cdfc3345a7bd7bc56f10c34254a

SHA-1:
a2a915fcb511c1834f5618712a60cc1ddd34b5be

SHA-256:
4b90af857f361ee7718b55d34356d4e2789346cba1c3222b25769204393f9654

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:
4/19/2024 9:57:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.12.16.18

File size:
42.2 KB (43,200 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\{f8290414-c8ea-4713-a233-52a7037a2967}gw.sys

Digital Signature
Signed by:
Zippy Zarp

Authority:
VeriSign, Inc.

Valid from:
11/27/2013 2:00:00 AM

Valid to:
11/28/2014 1:59:59 AM

Subject:
CN=Zippy Zarp, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Zippy Zarp, 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:
1ADD2A8F1E9EFBECF78EBF3B3C82B38E

File PE Metadata
Compilation timestamp:
9/22/2014 10:01:51 PM

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:
{f8290414-c8ea-4713-a233-52a7037a2967}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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