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{7c3798be-9647-472a-9234-fa1c6e79cd71}gw64.sys

Sharp Angle

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {7c3798be-9647-472a-9234-fa1c6e79cd71}gw64.sys by Sharp Angle has been detected as adware by 20 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{7c3798be-9647-472a-9234-fa1c6e79cd71}Gw64”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
StdLib  (signed by Sharp Angle)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
8bde25780cffd0513c2613636fde5d4d

SHA-1:
5e6afbc33609e605151f30babe2e9084e47417f3

SHA-256:
1ba4aad702a72c56d9f5fc669925325124373d33ac61d63f8a4ee9f0c3f3648f

Scanner detections:
20 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/24/2024 11:09:13 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
655

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Generic
2016.0.3133

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.555

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Dr.Web
Tool.NetFilter.313
9.0.1.0111

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.15.04.21.06

ESET NOD32
Win64/BrowseFox (variant)
9.10542

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2015-21-04_3

G Data
Adware.SwiftBrowse.CH
15.4.25

herdProtect (fuzzy)
variant of {e9bebce7-deb3-4ab9-896c-549739f208c5}gw64.sys (Adware)
2015.7.22.12

K7 AntiVirus
Adware
13.202.15654

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.333

nProtect
Adware.SwiftBrowse.CH
15.04.20.01

Reason Heuristics
PUP.Yontoo.SharpAngle
15.5.3.0

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.111

Trend Micro
HS_BROWSEFOX.SM
10.465.21

VIPRE Antivirus
Trojan.Win32.Generic
39526

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2145

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\{7c3798be-9647-472a-9234-fa1c6e79cd71}gw64.sys

Digital Signature
Signed by:
Sharp Angle

Authority:
VeriSign, Inc.

Valid from:
3/18/2015 12:00:00 AM

Valid to:
3/17/2016 11:59:59 PM

Subject:
CN=Sharp Angle, O=Sharp Angle, 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:
4FB63C66D49CC670D253C301F93C575B

File PE Metadata
Compilation timestamp:
4/20/2015 2:02:22 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lf7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3xR8:VFID6EGnLA8AFJTNEVmDI

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:
6.3919

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{7c3798be-9647-472a-9234-fa1c6e79cd71}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.