Frequently Asked Questions
- Q1: What is Bitdefender QuickScan?
- Q2: Why use Bitdefender Quickscan?
- Q3: How to perform a QuickScan?
- Q4: How is QuickScan different from other online scanners?
- Q5: How can QuickScan be so quick?
- Q6: The report shows Quickscan skipping many files. Why is that?
- Q7: QuickScan didn't detect the infected files that other antivirus solutions found! What's going on?
- Q8: Will QuickScan delete files, ship credit card data to unknown parts or otherwise cause harm?
- Q9: What if Quickscan says my system is infected?
- Q10: What browsers are supported?
- Q11: Can QuickScan be integrated into other websites?
- Q12: Is there any direct link to the developers and parties involved in the project?
- Q13: QuickScan crashed. Firefox/Chrome/IE crashed. What happened?
- Q14: How do I uninstall QuickScan from my Browser?
- Q15: On Windows Vista or later with UAC enabled, the Internet Explorer runs in Protected Mode and QuickScan can't scan the memory.
A1: Bitdefender QuickScan is an online tool which uses .in-the-cloud. scanning to detect malware running on a PC very fast, usually in less than 60 seconds.
A2: Because it's fast! Whenever you need a quick check or a second opinion, such as before logging in to your favourite game, when using your bank account online or buying something online, QuickScan is the best choice.
A3: To launch a QuickScan you just need to visit http://quickscan.bitdefender.com and click 'Start Scan'. For even faster access, Bitdefender QuickScan is also available as an iGoogle widget and as Firefox and Chrome extensions.
A4: In a single word: speed. Most online scanners are merely legacy on-demand scanners that are downloaded (along with a huge virus database) and then used to scan your PC as you would do with a normal Antivirus program. This can usually take from 30 minutes to one hour.
Bitdefender QuickScan takes full advantage of the .in-the-cloud. scanning technology and is capable to detect active malware in less than a minute, taking just a fraction of the system resources needed by a regular virus scan. Moreover, there is no need for annoying virus signature updates, as the entire virus database and the scanning engines are hosted on remote servers.
A5: In a nutshell, QuickScan makes a list of digital fingerprints (or hashes) of the programs that are running and of other critical files. It then sends this list to the server. If the server doesn't recognize a hash, it requests the file to be uploaded so it can be thoroughly analyzed. When the analysis is complete, the server returns a .clean. or .infected. verdict for every file in the list.
The first time you run QuickScan on your system it may find a lot of .unknown. files, so it's normal for the scan to take longer. After using QuickScan a few times you will notice that it becomes faster and faster. This is because once the server receives and scans a new file, it will subsequently recognize it by its hash and never request it again.
A6: To optimize the hashing and communication process several types of files which were deemed harmless are skipped.
A7: QuickScan only detects viruses which are active in memory or present in files that are run at system startup. Inactive virus bodies are not scanned for and therefore not detected. To run a full system scan you can use Bitdefender Online Scanner or one of the Bitdefender security solutions.
A8: No. Quickscan does not modify or delete any file on your system and only uploads executable files for checking (i.e. NO documents or other data files are sent). The upside to that is you're safe. The downside is that Quickscan provides no virus removal either.
A9: To keep Quickscan as fast as possible, we didn.t include any cleaning capabilities. Please run a full system scan using Bitdefender Online Scanner or one of our commercial offerings.
A10: Microsoft Internet Explorer, Mozilla Firefox and Google Chrome.
A11: Sure. Bitdefender QuickScan can be easily integrated in any website using customized widgets. Besides the value added to your website, you can also become an affiliate and get a share of the Bitdefender sales made via Quickscan. For more information please visit: http://quickscan.bitdefender.com/integrate/.
A12: The e-mail address qscan@bitdefender.com was specifically created to provide a simple way to communicate development issues.
A13: It may happen (though very rarely) that a bug slipped through our QA process and made it in a QuickScan version. Best course of action is to make sure you have the very latest version installed.
- In Firefox click Tools -> Addons and click the "Find Updates" button in the lower right section of the addon window.
- In Chrome click Settings -> Extensions and in the extensions window push the "Update extensions now" button. Alternatively, in chrome you can type chrome://extensions in the address bar to reach that area.
- The Internet Explorer component will be automatically updated once you access the QuickScan website).
A14: If you just dropped the npqscan.dll file in the plugins folder of your web browser, you need to simply remove the file and restart the browser.
- For Firefox you should go to Tools -> Add-ons, select Bitdefender QuickScan and press the Uninstall button.
- For Chrome, click the Options button (usually located in the upper-right of the browser), click extensions and click the "Uninstall" option for QuickScan.
- For Internet Explorer you can either use the Browser's facility for managing extensions or delete all the files starting with qsax from C:\WINDOWS\Downloaded Program Files.
A15:
To temporary disable the Protected Mode and allow memory scanning, please run Internet Explorer as Administrator.
To start IE as administrator you need to select the application from your start menu (note: NOT the desktop icon), right click it and select "Run as Administrator".
You can easily find it by typing "explorer" in the quick-search area after pressing the Start button.
