{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}gw.sys

Storimbo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}gw.sys by Storimbo 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 “{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}Gw”.
Publisher:
Storimbo  (signed and verified)

MD5:
a916a331bbdbfac0e0e2d2c357c9504a

SHA-1:
005eb33fe665cf94c735a1c1ff7710f7083ffc59

SHA-256:
448265fec682976d6253bf38f450abe64ae1c5622603f52161d7bcc4f8718ea7

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:
12/23/2024 5:35:53 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.12.1

File size:
38.2 KB (39,096 bytes)

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}gw.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/13/2013 7:00:00 PM

Valid to:
11/14/2014 6:59:59 PM

Subject:
CN=Storimbo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Storimbo, L=Santa Monica, 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:
1AC46D37F39AC4527AFEFF38AB955504

File PE Metadata
Compilation timestamp:
9/12/2014 6:32:59 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x903E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 80, FF, FF, CC, CC, 74, 91, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, 94, 00, 00, C0, 70, 00, 00, B4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, 95, 00, 00, 00, 70, 00, 00, EC, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A0, 98, 00, 00, 38, 70, 00, 00, C4, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 98, 99, 00, 00, 10, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DC, 94, 00, 00, F0, 94, 00, 00, C8, 94...
 
[+]

Entropy:
6.6588

Code size:
24.5 KB (25,088 bytes)

Driver
Display name:
{fe0d951b-f1e9-4cbc-8054-78c95ed14cc5}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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