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webtinstmk.sys

Corsica Technologies Ltd.

The file webtinstmk.sys by Corsica Technologies has been detected as a potentially unwanted program by 8 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “webTinstMK”.
Publisher:
Corsica Technologies Ltd.  (signed and verified)

MD5:
8841a35c4479d703613d91e25312d77a

SHA-1:
85e2103c07cc9a6dc5cfe6176569608747dbb583

SHA-256:
b3ef9b7ff94acd36737d2ccd01c28b84aa92fefd2d133ff534a47ade8ca6b856

Scanner detections:
8 / 68

Status:
Potentially unwanted

Analysis date:
1/2/2026 3:16:47 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.3197

ESET NOD32
Win64/Adware.AddLyrics (variant)
9.11183

K7 AntiVirus
Adware
13.194.14971

McAfee
Artemis!8841A35C4479
5600.6853

Reason Heuristics
PUP.Optional.CorsicaTechnologies
15.2.16.9

Sophos
AddLyrics
4.98

Trend Micro House Call
Suspicious_GEN.F47V0210
7.2.47

VIPRE Antivirus
Revizer
37608

File size:
49.6 KB (50,800 bytes)

File type:
Driver (Win64 SYS)

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

Digital Signature
Signed by:
Corsica Technologies Ltd.

Authority:
VeriSign, Inc.

Valid from:
12/28/2014 2:00:00 AM

Valid to:
1/27/2017 1:59:59 AM

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:
2/10/2015 3:27:14 PM

OS version:
6.2

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
11.0

CTPH (ssdeep):
768:UKbdrEnrXYTBgsky/SLekCtNRGlIasd9Uz5xVqYs95MvhIOzo5deBheLMaHd:TbdrRlcktyT8Ys0JIOzN6LP

Entry address:
0x77A0

Entry point:
48, 89, 5C, 24, 08, 57, 48, 83, EC, 20, 48, 8B, DA, 48, 8B, F9, E8, 53, 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, B7, 3A, 00, 00, 48, 8B, F9, 48, 8D, 0D, 95, 3A, 00, 00, 48, 8D, 1D, 9E, 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, 4C, 49, 02, 00, 48, 8D, 0D, 57, 01, 00, 00, 4C, 8B, CB, 48, 8B, D7, FF, D0, EB, 12, 48, 8B, 15...
 
[+]

Entropy:
6.5221

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
webTinstMK

Type:
Kernel device driver (KernelDriver)


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