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{fef7f75c-f985-4250-96f9-8183cd04238b}t.sys

SunriseBrowse

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {fef7f75c-f985-4250-96f9-8183cd04238b}t.sys by SunriseBrowse has been detected as adware by 10 anti-malware scanners. It runs as a Windows kernel mode device driver named “{fef7f75c-f985-4250-96f9-8183cd04238b}t”. 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 SunriseBrowse)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
6bb0747873d21aab0a89f591f2d4f9c3

SHA-1:
c36172c01b21081681fb9553c4bef836d10cadd0

SHA-256:
6b29ea7d0443b23e11b8d3380ee7d32194d5b64a4cb7572d7477465dd4de5f2c

Scanner detections:
10 / 68

Status:
Adware

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

Analysis date:
4/24/2024 11:31:06 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Yotoon
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.282
7.11.170.218

AVG
Generic
2015.0.3342

herdProtect (fuzzy)
variant of {fef7f75c-f985-4250-96f9-8183cd04238b}gt.sys (Adware)
2014.12.5.18

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.7.5.0

NANO AntiVirus
Riskware.Win32.Yotoon.denstu
0.28.2.62286

Qihoo 360 Security
Win32/Virus.Adware.720
1.0.0.1015

Reason Heuristics
PUP.SunriseBrowse.k
14.9.23.14

VIPRE Antivirus
Threat.4150696
32938

Zillya! Antivirus
Adware.Yotoon.Win64.6
2.0.0.1911

File size:
53.8 KB (55,064 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{fef7f75c-f985-4250-96f9-8183cd04238b}t.sys

Digital Signature
Signed by:
SunriseBrowse

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 8:00:00 PM

Valid to:
8/5/2015 7:59:59 PM

Subject:
CN=SunriseBrowse, O=SunriseBrowse, 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:
0EB7B556E015257902A5C4786A7BEA23

File PE Metadata
Compilation timestamp:
8/6/2014 7:52:31 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:5OnnE+ZwNszUTw/RqzGojR/h3cKG45q30XGBUuJ0xEkMHd8OagKmvz11/6RRRhun:qnERxTukHzTrGCuGOVh1/yRKzz

Entry address:
0xA6BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 4A, E4, FF, FF, CC, CC, 34, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AB, 00, 00, 94, 90, 00, 00, 20, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AB, 00, 00, 80, 90, 00, 00, 2C, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AB, 00, 00, 12, AB, 00, 00, 00, 00, 00, 00, 42, AB, 00, 00, 00, 00, 00, 00, 2C, A8, 00, 00, 44, A8, 00, 00, 56, A8...
 
[+]

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{fef7f75c-f985-4250-96f9-8183cd04238b}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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