What is tvalz_o.sys?
tvalz_o.sys is developed by TOSHIBA Corporation according to the tvalz_o.sys version information.
tvalz_o.sys's description is "TOSHIBA ACPI-Based Value Added Logical and General Purpose Device Driver"
tvalz_o.sys is digitally signed by TOSHIBA CORPORATION.
tvalz_o.sys is usually located in the 'C:\Windows\system32\drivers\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about tvalz_o.sys.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on tvalz_o.sys:
| Property | Value |
|---|---|
| Company name | TOSHIBA Corporation |
| File description | TOSHIBA ACPI-Based Value Added Logical and General Purpose Device Driver |
| Internal name | TVALZ |
| Original filename | TVALZ_O.SYS |
| Legal copyright | Copyright (C) 2006-2007 TOSHIBA Corporation |
| Product version | 2, 0, 0, 1 |
| File version | 2, 0, 0, 1 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Company name | TOSHIBA Corporation |
| File description | TOSHIBA ACPI-Based Value Added Logic.. |
| Internal name | TVALZ |
| Original filename | TVALZ_O.SYS |
| Legal copyright | Copyright (C) 2006-2007 TOSHIBA Corp.. |
| Product version | 2, 0, 0, 1 |
| File version | 2, 0, 0, 1 |
Digital signatures [?]
tvalz_o.sys has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | TOSHIBA CORPORATION |
| Certificate issuer name | VeriSign Class 3 Code Signing 2004 CA |
| Certificate serial number | 7915ea2b60166ff24530b221fd828747 |
VirusTotal report
None of the 47 anti-virus programs at VirusTotal detected the tvalz_o.sys file.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | 792a8b80f8188aba4b2be271583f3e46 |
| SHA256 | bfe96d13926f3cb7d807cebb5e190736b742eb5c93f7fed08aa5d145f4b6a874 |
What will you do with tvalz_o.sys?
To help other users, please let us know what you will do with tvalz_o.sys:
What did other users do?
The poll result listed below shows what users chose to do with tvalz_o.sys. 15% have voted for removal. Based on votes from 52 users.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
Hi, my name is Roger Karlsson. I've been running this website since 2006. I want to let you know about the FreeFixer program. FreeFixer is a freeware tool that analyzes your system and let you manually identify unwanted programs. Once you've identified some malware files, FreeFixer is pretty good at removing them. You can download FreeFixer here. It runs on Windows 2000/XP/2003/2008/2016/2019/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.
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Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
Helo,
I need tvalz_o.sys to istall new windows 10, i have windows 7 and the upgrade fails becouse tvalz_o.sys is missing.
cam you help me?
Sorry terrible Inglish, but its better than your Portuguese ;)
Best regards,
João
# 25 Nov 2015, 6:22
Vladimir writes
I miss tvalz_o.sys and I can not run WIN 7 PRO on my laptop Toshiba A300 Satellite. Tell me where to download it and how to install it???
# 1 Jan 2018, 7:08
João writes