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{91c27f6a-4a09-486e-9300-c2daf8342f97}w64.sys

Sad Cloud

The file {91c27f6a-4a09-486e-9300-c2daf8342f97}w64.sys by Sad Cloud has been detected as a potentially unwanted program 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 “{91c27f6a-4a09-486e-9300-c2daf8342f97}w64”.
Publisher:
StdLib  (signed by Sad Cloud)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
bb0a19071f4e4387c676f288a18d6244

SHA-1:
48736d05cf2b8b0c37e981a67d5697c1669e13e6

SHA-256:
de1d2ab619d589833320a221cf0cbde46757980109fd7585e3dbb755b0d53350

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 3:28:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.7.4

File size:
47.6 KB (48,776 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\{91c27f6a-4a09-486e-9300-c2daf8342f97}w64.sys

Digital Signature
Signed by:
Sad Cloud

Authority:
VeriSign, Inc.

Valid from:
3/17/2015 9:00:00 PM

Valid to:
3/17/2016 8:59:59 PM

Subject:
CN=Sad Cloud, O=Sad Cloud, 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:
336873892EDD46D03BE7FAEFF10E78EF

File PE Metadata
Compilation timestamp:
4/24/2015 5:03:56 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...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{91c27f6a-4a09-486e-9300-c2daf8342f97}w64

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.