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{79927c88-3ad2-4cc2-b84e-7c2db334abab}gw64.sys

WiseEnhance

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {79927c88-3ad2-4cc2-b84e-7c2db334abab}gw64.sys by WiseEnhance 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 64-bit kernel mode device driver named “{79927c88-3ad2-4cc2-b84e-7c2db334abab}Gw64”.
Publisher:
StdLib  (signed by WiseEnhance)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
a576511817501f7c95055393822499ba

SHA-1:
931913b8f06dcd349b0d2abab6fbcebe4d93456d

SHA-256:
9a0b67215ac59b85bac7c83e64a8149daf19482cbd6b358c66ce71673a0ecf70

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 9:27:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.14.17

File size:
47.6 KB (48,784 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{79927c88-3ad2-4cc2-b84e-7c2db334abab}gw64.sys

Digital Signature
Signed by:
WiseEnhance

Authority:
VeriSign, Inc.

Valid from:
12/23/2014 5:30:00 AM

Valid to:
2/22/2016 5:29:59 AM

Subject:
CN=WiseEnhance, O=WiseEnhance, 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:
30E1A9C28DB300EBC9A64450C184526F

File PE Metadata
Compilation timestamp:
6/1/2015 8:04:48 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0xC064

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, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 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, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Entropy:
6.3916

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{79927c88-3ad2-4cc2-b84e-7c2db334abab}Gw64

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.