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webinstrnhkt.sys

Corsica Technologies Ltd.

The file webinstrnhkt.sys by Corsica Technologies has been detected as a potentially unwanted program by 6 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “webinstrNHKT”.
Publisher:
Corsica Technologies Ltd.  (signed and verified)

MD5:
c5cb03065308e25a900480277c0ebb56

SHA-1:
08685a29d97f061106fd7f02076c4e4ed13a7897

SHA-256:
adcd1c00e11a2f0b4339ac1bcfa3c180bf9acdc7878ecf40a26544d467659ed7

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
1/2/2026 3:16:45 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.3211

McAfee
Artemis!C5CB03065308
5600.6867

Reason Heuristics
PUP.Optional.CorsicaTechnologies
15.2.1.18

Sophos
AddLyrics
4.98

Trend Micro House Call
Suspicious_GEN.F47V0129
7.2.32

VIPRE Antivirus
Revizer
37168

File size:
49.6 KB (50,800 bytes)

File type:
Driver (Win64 SYS)

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

Digital Signature
Signed by:
Corsica Technologies Ltd.

Authority:
VeriSign, Inc.

Valid from:
12/27/2014 7:00:00 PM

Valid to:
1/26/2017 6:59:59 PM

Subject:
CN=Corsica Technologies Ltd., OU=R&D, O=Corsica Technologies Ltd., L=Tel-Aviv, S=Tel-Aviv, C=IL

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:
7949FFE63B1683DCCBED2E599AECDFFD

File PE Metadata
Compilation timestamp:
1/29/2015 4:54:42 AM

OS version:
6.2

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
11.0

CTPH (ssdeep):
768:+4P2bTT3qPQ59ExK2KomuuLOsUJCGl3a889UzGxV6Tc3rzIOjDdZLMWks:fP2bUQ5UmOB//TcXIOjfLX

Entry address:
0x77B0

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, 43, 68, 02, 00, 48, 8B, D3, 48, 8B, CF, 48, 8B, 5C, 24, 30, 48, 83, C4, 20, 5F, E9, AE, FE, FF, FF, CC, CC, CC, CC, CC, CC, 48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, 05, A7, 3A, 00, 00, 48, 8B, F9, 48, 8D, 0D, 85, 3A, 00, 00, 48, 8D, 1D, 8E, 3A, 00, 00, 48, 3B, C1, 74, 45, 48, 3B, D8, 77, 40, 48, 8B, 43, 40, 48, 85, C0, 74, 18, 4C, 8B, 05, 3C, 49, 02, 00, 48, 8D, 0D, 57, 01, 00, 00, 4C, 8B, CB, 48, 8B, D7, FF, D0, EB, 12, 48, 8B, 15...
 
[+]

Entropy:
6.5173

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
webinstrNHKT

Type:
Kernel device driver (KernelDriver)


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