{5a7ac0c3-34fc-47c5-82a9-64f732fc5aad}gw.sys

tanzuki

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {5a7ac0c3-34fc-47c5-82a9-64f732fc5aad}gw.sys by tanzuki 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 “{5a7ac0c3-34fc-47c5-82a9-64f732fc5aad}Gw”.
Publisher:
tanzuki  (signed and verified)

MD5:
290e5ac63c5880aea6a0bb68b3be6c33

SHA-1:
b233a6ea8924398426e3ba94c72699359043a1ef

SHA-256:
737fef97199a707723a14960259dbc4772d28e6d68aebef67f6ec0230c0c9463

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:
11/14/2024 8:46:45 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.11.22.18

File size:
42.2 KB (43,192 bytes)

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{5a7ac0c3-34fc-47c5-82a9-64f732fc5aad}gw.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
8/21/2013 6:00:00 AM

Valid to:
8/21/2015 5:59:59 AM

Subject:
CN=tanzuki, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=tanzuki, 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:
5094CECD4B5D21903C384E60AC45C6C4

File PE Metadata
Compilation timestamp:
11/28/2014 10:25:48 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:7N0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddwQ:BhUcpH/0+LCf7EziDHhdJ

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...
 
[+]

Entropy:
6.6135

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{5a7ac0c3-34fc-47c5-82a9-64f732fc5aad}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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