What is atc.sys?

atc.sys is part of BitDefender® AntiVirus and developed by BitDefender S.R.L. Bucharest, ROMANIA according to the atc.sys version information.

atc.sys's description is "BitDefender Active Threat Control Filesystem Minifilter"

atc.sys is digitally signed by Bitdefender SRL.

atc.sys is usually located in the 'C:\WINDOWS\system32\drivers\' folder.

None of the anti-virus scanners at VirusTotal reports anything malicious about atc.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 atc.sys:

PropertyValue
Product nameBitDefender® AntiVirus
Company nameBitDefender S.R.L. Bucharest, ROMANIA
File descriptionBitDefender Active Threat Control Filesystem Minifilter
Internal nameATC.SYS
Original filenameATC.SYS
Legal copyright© BitDefender S.R.L. All rights reserved.
Product version13
File version1.18.166.0 0x7529394

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameBitDefender® AntiVirus
Company nameBitDefender S.R.L. Bucharest, ROMANIA
File descriptionBitDefender Active Threat Control Fi..
Internal nameATC.SYS
Original filenameATC.SYS
Legal copyright© BitDefender S.R.L. All rights res..
Product version13
File version1.18.166.0 0x7529394

Digital signatures [?]

atc.sys has a valid digital signature.

PropertyValue
Signer nameBitdefender SRL
Certificate issuer nameDigiCert Assured ID Code Signing CA-1
Certificate serial number031f5fb3066ee4a457b30aa6ce9a5566

VirusTotal report

None of the 66 anti-virus programs at VirusTotal detected the atc.sys file.

None of the 66 anti-virus programs detected the atc.sys file.

Other files also named atc.sys

atc.sys (18 votes)

Hashes [?]

PropertyValue
MD5621faadb6ec9b46802f960053a9b3457
SHA256a4a2771a89149e56e2c5aebb8d8457a27c135e9576d0a0e19fe8d441f1702b3b

What will you do with atc.sys?

To help other users, please let us know what you will do with atc.sys:



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.

Please select the option that best describe your thoughts on the information provided on this web page


Free online surveys

And now some shameless self promotion ;)

A screenshot of FreeFixer's scan result.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/2003/20008/Vista/7/8/8.1/10. Supports both 32- and 64-bit Windows.

If you have questions, feedback on FreeFixer or the freefixer.com website, need help analyzing FreeFixer's scan result or just want to say hello, please contact me. You can find my email address at the contact page.

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.

No comments posted yet.

Leave a reply