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nospell_dd.sys

JDK

The file nospell_dd.sys by JDK has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows kernel mode device driver named “nospell_dd”.
Publisher:
JDK  (signed and verified)

MD5:
ef06393cdabba69014172f266e83c7c9

SHA-1:
b407939535f173200fbfa9a4429a8917f2a59a15

SHA-256:
3e8d963e6d34d98ec9499142996411beeecf711bfbf315ccafda048e4ba4fc7e

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/18/2024 11:10:28 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.JDK (M)
16.2.11.19

File size:
11.1 KB (11,360 bytes)

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\nospell_dd.sys

Digital Signature
Signed by:
JDK

Authority:
Thawte, Inc.

Valid from:
10/17/2012 9:00:00 AM

Valid to:
10/18/2013 8:59:59 AM

Subject:
CN=JDK, OU=IT Team, O=JDK, L=Gangnam-gu, S=SEOUL, C=KR

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

Serial number:
0A7EC8624BABF6A21FAB15D00AAC02F5

File PE Metadata
Compilation timestamp:
6/11/2013 3:55:19 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
192:WZOy1tEQRXhewkobHHTB8BEu8j+Wou7+wpds9QZ:WjDjewjzzY8j+Fu9s9QZ

Entry address:
0x403E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 3C, D4, FF, FF, CC, CC, 78, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 8C, 41, 00, 00, 00, 20, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B4, 40, 00, 00, C8, 40, 00, 00, D6, 40, 00, 00, F2, 40, 00, 00, 02, 41, 00, 00, 1A, 41, 00, 00, 2A, 41, 00, 00, 40, 41, 00, 00, 4A, 41, 00, 00, 6A, 41, 00, 00, 74, 41, 00, 00, 7E, 41, 00, 00, 9A, 41, 00, 00, A6, 41, 00, 00, 00, 00, 00, 00, 65, 07, 5A, 77, 44, 65, 6C, 65, 74, 65...
 
[+]

Entropy:
6.4378

Code size:
3 KB (3,072 bytes)

Driver
Display name:
nospell_dd

Type:
Kernel device driver (KernelDriver)


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