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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 13 anti-malware scanners. It runs as a Windows kernel mode device driver named “webTinstMK”.
Publisher:
Corsica Technologies Ltd.  (signed and verified)

MD5:
8018863c83de82ee731a3d2e42e8bf94

SHA-1:
02c9f0b157777494ac205414106b18125ea121d5

SHA-256:
f8041cd7d180957855fda0873c0bff5fee6baea3a3438f1db7c67545e8191f0f

Scanner detections:
13 / 68

Status:
Potentially unwanted

Analysis date:
1/2/2026 1:14:27 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
Adware/AddLyrics.43560.1
7.11.210.138

avast!
Win32:GenMaliciousA-BEQ [Trj]
2014.9-150318

AVG
Generic
2016.0.3196

Dr.Web
Trojan.Lyrics.413
9.0.1.077

ESET NOD32
Win32/Adware.AddLyrics.DT (variant)
9.11184

Fortinet FortiGate
Riskware/AddLyrics
2/17/2015

IKARUS anti.virus
PUA.AddLyrics
t3scan.1.8.6.0

K7 AntiVirus
Adware
13.195.14983

McAfee
Artemis!8018863C83DE
5600.6852

Reason Heuristics
PUP.Optional.CorsicaTechnologies
15.2.17.11

Sophos
AddLyrics
4.98

Trend Micro House Call
Suspicious_GEN.F47V0210
7.2.48

VIPRE Antivirus
Revizer
37622

File size:
42.5 KB (43,560 bytes)

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
Corsica Technologies Ltd.

Authority:
VeriSign, Inc.

Valid from:
12/28/2014 7:00:00 AM

Valid to:
1/27/2017 6:59:59 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 8:26:32 PM

OS version:
6.2

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
11.0

CTPH (ssdeep):
768:MZZXIsLImFZBUavow8IhIHkKhmqC/lPAkIO9m0nmcE+v:mZXlLIRBvh4lPxIOxnm+v

Entry address:
0x63FC

Entry point:
8B, FF, 55, 8B, EC, E8, 00, 3C, 02, 00, 5D, E9, 1A, FF, FF, FF, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 56, BE, 20, 91, 40, 00, 57, 8B, CE, BF, 20, 91, 40, 00, 33, C0, 3B, CF, 73, 3C, 83, 3E, 2C, 75, 32, 8B, 46, 20, 56, FF, 35, 14, 99, 42, 00, 89, 35, 24, 91, 40, 00, FF, 75, 08, 85, C0, 74, 09, 68, 18, 65, 40, 00, FF, D0, EB, 05, E8, C4, 00, 00, 00, 85, C0, 7C, 0E, 83, C6, 2C, 3B, F7, 72, CB, EB, 05, B8, 04, 00, 00, C0, 5F, 5E, 5D, C2, 04, 00, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, A1, 24, 91, 40, 00, B9...
 
[+]

Code size:
25 KB (25,600 bytes)

Driver
Display name:
webTinstMK

Type:
Kernel device driver (KernelDriver)


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