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cmwf.sys

cmwf.sys

Cart Crunch Israel LTD

The file cmwf.sys, “PassThrough Filter Driver” by Cart Crunch Israel has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows 64-bit file system device driver named “cmwf service”.
Publisher:
CartCrunch Israel Ltd.  (signed by Cart Crunch Israel LTD)

Product:
cmwf.sys

Description:
PassThrough Filter Driver

Version:
2.3.1.5 built by: WinDDK

MD5:
7456c7044cb28baef7a564c75bc81f96

SHA-1:
154c32273566bfc67b280a5e83dc8e053fce6492

SHA-256:
e47a30ded3140603c1a249507f0919906ec5e42ac2540e314d72e28464baf353

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
4/7/2025 9:02:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.12.20.11

File size:
33.2 KB (33,952 bytes)

Product version:
2.3.1.5

Copyright:
Copyright ® CartCrunch Israel Ltd. All rights reserved

Original file name:
cmwf.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

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

Digital Signature
Signed by:
Cart Crunch Israel LTD

Authority:
VeriSign, Inc.

Valid from:
11/16/2014 7:00:00 PM

Valid to:
10/30/2015 7:59:59 PM

Subject:
CN=Cart Crunch Israel LTD, O=Cart Crunch Israel LTD, L=Givatayim, S=NA, 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:
3CA4D07AA5563EEDDF79967BA126C1C1

File PE Metadata
Compilation timestamp:
1/6/2015 10:27:34 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0x92E8

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, 02, FD, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 50, 61, 73, 73, 54, 68, 72, 6F, 75, 67, 68, 21, 44, 72, 69, 76, 65, 72, 45, 6E, 74, 72, 79, 3A, 20, 45, 6E, 74, 65, 72, 65, 64, 0A, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 5C, 00, 44, 00, 65, 00, 76, 00, 69, 00, 63, 00, 65, 00, 5C, 00, 63, 00, 6D, 00, 77, 00, 66, 00, 00, 00, CC, CC, CC, CC, CC, CC, 5C, 00, 44, 00, 6F, 00, 73, 00...
 
[+]

Code size:
19 KB (19,456 bytes)

Driver
Display name:
cmwf service

Service name:
cmwf

Type:
File system 'filter' driver (FileSystemDriver)

Group:
FSFilter Activity Monitor

Depends on:
FltMgr


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