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upkernel64.sys

Brotsoft technology co., limited

The file upkernel64.sys by Brotsoft technology co., limited 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 file system device driver named “UPKernel”.
Publisher:
Brotsoft technology co., limited  (signed and verified)

MD5:
3ffee6b8455a9db7cf70a44e54e4047e

SHA-1:
0bbc8d18d6c65e0f3a60a26dc4479a48f21ea351

SHA-256:
65b0959d5590004821575607334517261cee8e591504ff31d51a5f04f16fab60

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/26/2024 1:46:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BeijingFantasyGame.Optional.Meta (L)
16.2.1.11

File size:
33.2 KB (34,040 bytes)

File type:
Driver (Win64 SYS)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\upkernel64.sys

Digital Signature
Signed by:
Brotsoft technology co., limited

Authority:
Thawte, Inc.

Valid from:
12/22/2015 10:00:00 PM

Valid to:
12/22/2016 9:59:59 PM

Subject:
CN="Brotsoft technology co., limited", OU=Software Department, O="Brotsoft technology co., limited", L=Hongkong, S=Hongkong, C=HK

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
6F02006FDCD582AF516A767E5AB3FE4A

File PE Metadata
Compilation timestamp:
7/7/2015 11:30:59 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
384:ol8PHK7rDfSwY0H4kbRUX/K/vPSzsHbj0lDetSeVnZCuSPLVzw8DuT+qui8+7RKP:ol88vNYC4i7/vPmsHEeUeV638dl4Q0p

Entry address:
0x7064

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, C2, A0, FF, FF, CC, CC, 10, 71, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 80, 75, 00, 00, 50, 30, 00, 00, C0, 70, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 6E, 76, 00, 00, 00, 30, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 46, 76, 00, 00, 00, 00, 00, 00, 22, 76, 00, 00, 00, 00, 00, 00, 06, 76, 00, 00, 00, 00, 00, 00, F0, 75, 00, 00, 00, 00, 00, 00, D4, 75, 00, 00...
 
[+]

Code size:
9 KB (9,216 bytes)

Driver
Display name:
UPKernel

Type:
File system 'filter' driver (FileSystemDriver)


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