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There are several ways to start the scanner.
In respect to infected and incurable objects, the Move action does the following: The file is moved to a special quarantine folder. Furthermore, once moved, the file loses its extension. The virus is literally disarmed and rendered non-operational and, therefore, harmless. Later, you can open the Quarantine Manager and delete the files if you do not need them.
If you have not installed the self-protection module, do the following:
Quarantined files can be deleted by selecting the desired file and clicking Delete. It will remove the file from the quarantine and from the system.
A Dr.Web anti-virus is a set of programs, each of them protects its own section in your computer's defense. Removing or disabling at least one component greatly reduces the reliability of anti-virus protection in general, so we strongly advise you not to disable any of its modules unless absolutely necessary.
To temporarily disable self-protection, right-click on the Dr.Web icon in the system tray and in the context menu select Disable self-protection (if this feature is unavailable, please switch to the Administrative Mode and try again). A window will appear where you'll need to enter numbers from the picture and click Disable self-protection.
Caution! Disabling self-protection is not recommended, activate it again as soon as possible.
Right-click on the Dr.Web icon in the system tray and select Tools–> Quarantine. In the subsequent window select the file and click Restore.
Quarantined viruses are not dangerous because they can't be launched. If you want to permanently delete infected files, clean the quarantine:
Dr.Web SelfPROtect protects the modules, processes, and branches of the registry used by Dr.Web for Windows from outside interference. The outside interference includes incompetent user actions that may render the anti-virus non-operational or make it malfunction as well as actions taken by anti-antiviruses that may terminate anti-virus processes, modify and remove its files and delete Windows Registry branches related to Dr.Web. Disabling the self-defense is not recommended!
The quarantine is a special folder where the anti-virus stores suspicious and infected files. Suspicious files are stored to be later sent to Doctor Web's laboratory for analysis, infected files get into the folder if their removal and curing is impossible for some reason.
Infected files are moved to a special storage — Quarantine — from where you can remove the file if necessary, restore it to its original location or send it for analysis in our virus lab.
To answer this question, you need to understand the difference between viruses and Trojan horses. Typically, a virus adds (appends its code) itself to an infected file so it incorporates its own code and the virus's code. Together they represent a virus-infected file. Most of these files can be cured by the Dr.Web anti-virus. Here we speak about curing files of viruses rather then curing viruses.
A Trojan horse is a complete malicious program. It doesn't inject its code into files but operates as a separate program, that's why it can't be cured but removed. Some Trojan programs compromise various system objects such as the Windows Registry. In this case we can speak about curing the system (but not the Trojan horse), which includes removing the Trojan and restoring the compromised objects to their healthy state.