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ctxaltstr.sys

Citrix MetaFrame

Citrix Systems, Inc

It runs as a Windows file system device driver named “ctxaltstr”.
Publisher:
Citrix Systems, Inc.  (signed by Citrix Systems, Inc)

Product:
Citrix MetaFrame

Description:
Citrix SFO Alternate Stream Driver

Version:
1.0.28

MD5:
38eda0dd613de0870d2b4bfa05e2cda8

SHA-1:
0ebab8726d11e773b5f81a8088aa2ed28aa89c09

SHA-256:
e58b6e4379a72ae9cebe3c10fded533c20ef23fa9b5e9486bc4af4bed31d329e

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
2/25/2025 4:16:59 PM UTC  (today)

File size:
61.1 KB (62,552 bytes)

Product version:
1.0

Copyright:
Copyright © 1990-2003 Citrix Systems, Inc.

Original file name:
ctxaltstr.sys

File type:
Driver (Win32 SYS)

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

Digital Signature
Signed by:
Citrix Systems, Inc

Authority:
VeriSign, Inc.

Valid from:
8/10/2006 4:00:00 AM

Valid to:
8/28/2009 3:59:59 AM

Subject:
CN="Citrix Systems, Inc", OU=Engineering, OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Citrix Systems, Inc", L=Fort Lauderdale, S=Florida, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2004 CA, OU=Terms of use at https://www.verisign.com/rpa (c)04, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
49ACFF047CF01D48AE07542E1B41E628

File PE Metadata
Compilation timestamp:
11/25/2008 9:14:15 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
7.10

CTPH (ssdeep):
768:zA1ma4KCVIff91fzgIc9I+oOLgbASFYbMsdd2Qfdqtf/02UuGdXLTLCFbH:61fVc9lc4Ndd2Qf4tnu3ONH

Entry address:
0xC7CD

Entry point:
A1, 40, 7F, 01, 00, 85, C0, B9, 4E, E6, 40, BB, 74, 04, 3B, C1, 75, 19, A1, 98, 69, 01, 00, 8B, 00, 35, 40, 7F, 01, 00, A3, 40, 7F, 01, 00, 75, 06, 89, 0D, 40, 7F, 01, 00, E9, A5, FB, FF, FF, CC, CC, CC, 54, C8, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D0, CE, 00, 00, 98, 68, 00, 00, 3C, C8, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 46, CF, 00, 00, 80, 68, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, CF, 00, 00, 06, CF, 00, 00, F2, CE, 00, 00, DE, CE, 00, 00, 32...
 
[+]

Entropy:
6.4399

Code size:
41.4 KB (42,368 bytes)

Driver
Display name:
ctxaltstr

Description:
CtxAltStr Filter Driver

Type:
File system 'filter' driver (FileSystemDriver)

Group:
FSFilter Activity Monitor


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