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lfsys64.sys

Lock Folder XP

Everstrike OOO

The file lfsys64.sys, “Lock Folder XP Filter Driver” by Everstrike OOO 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 64-bit kernel mode device driver named “LFSys”.
Publisher:
© Everstrike Software  (signed by Everstrike OOO)

Product:
Lock Folder XP®

Description:
Lock Folder XP Filter Driver

Version:
4.3.1.1

MD5:
9a9865e20d5f9a2e9b1f35321d4b9656

SHA-1:
00194a0abd8209fc653fa3afdb4b0c3ef0d23e4d

SHA-256:
5fe3896201852f58fa34a490687220f740880341451e5e13b142bdc58ebe7ec2

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:
4/23/2024 9:33:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Everstrike (M)
16.2.10.6

File size:
97.8 KB (100,184 bytes)

Product version:
4.3.1.1

Copyright:
© Everstrike Software. All rights reserved.

Original file name:
lffs.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\windows\syswow64\drivers\lfsys64.sys

Digital Signature
Signed by:
Everstrike OOO

Authority:
VeriSign, Inc.

Valid from:
12/17/2010 5:30:00 AM

Valid to:
1/14/2012 5:29:59 AM

Subject:
CN=Everstrike OOO, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Everstrike OOO, L=Ulyanovsk, S=n/a, C=RU

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:
1C6FEBAF7115A5C4FFAEAACEC3EA4FF1

File PE Metadata
Compilation timestamp:
6/1/2011 12:35:43 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
1536:BgZigb/PO0n1OLAq1FtBVBsQ2WmO910SRNSwhFmskX3o3:6ZigLO0nsLAOFtBVB8ri1TvhcskXy

Entry address:
0x18064

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, 86, 8F, FE, FF, CC, CC, B0, 80, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 06, 8C, 01, 00, 00, 30, 01, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D8, 83, 01, 00, 00, 00, 00, 00, EC, 83, 01, 00, 00, 00, 00, 00, F8, 83, 01, 00, 00, 00, 00, 00, 0A, 84, 01, 00, 00, 00, 00, 00, 22, 84, 01, 00, 00, 00, 00, 00, 30, 84, 01, 00, 00, 00, 00, 00, 48, 84, 01, 00...
 
[+]

Entropy:
6.3180

Code size:
75.5 KB (77,312 bytes)

Driver
Display name:
LFSys

Type:
Kernel device driver (KernelDriver)


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