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{7a11bc7a-fa65-4d5a-ade4-5a0d20eea01d}w64.sys

Bold Letters

The file {7a11bc7a-fa65-4d5a-ade4-5a0d20eea01d}w64.sys by Bold Letters 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 “{7a11bc7a-fa65-4d5a-ade4-5a0d20eea01d}w64”.
Publisher:
StdLib  (signed by Bold Letters)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
d8fe15d291d3dafdf651e0cc6efaa974

SHA-1:
4fc31c02a31031d06b0acaef207e2fab1bf3dff4

SHA-256:
943890f1d02cc9783aab6e3288a959f837efb29adf7b5987ab314ebb9bbea29d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
2/26/2025 5:55:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.5.13

File size:
47.6 KB (48,760 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\{7a11bc7a-fa65-4d5a-ade4-5a0d20eea01d}w64.sys

Digital Signature
Signed by:
Bold Letters

Authority:
VeriSign, Inc.

Valid from:
4/30/2015 2:00:00 AM

Valid to:
4/30/2016 1:59:59 AM

Subject:
CN=Bold Letters, O=Bold Letters, 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:
3AFFEE40CC90699657B10CBDCE8427C6

File PE Metadata
Compilation timestamp:
9/20/2015 4:17:50 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:
{7a11bc7a-fa65-4d5a-ade4-5a0d20eea01d}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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