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Дата рег: 21 Дек 2009
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Темы пользователя

How To Restore Hosts File?

05 Декабрь 2010 - 20:52


Hostsxpert is a freeware program which allow you to manuplate hosts file in your computer.

What is hosts file?

The hosts file is one of several system facilities to assist in addressing network nodes in a computer network. It is a common part in a operating system's Internet Protocol (IP) implementation, and serves the function of translating human-friendly hostnames into numeric protocol addresses, called IP addresses, that identify and locate a host in an IP network.

Please read source for really important informations about hosts file. For instance where is it located?

What is hostxpert?

HostsXpert is an ultra-groovy Hosts file Manager, Editor and Helper.

Please download HostsXpert from here. You will download an archive file which is HostsXpert.zip, please extract it with an archive manager like 7zip or build in windows zip extractor.

After extraction you will see HostsXpert folder and there are two files in it. HostsXpert.chm and HostsXpert.exe, please click on HostsXpert.exe file to run the application. Now you will see the main screen of it, see image below and please follow the numbered areas in picture, that would you lead how to restore original Microsoft Windows Hosts file.

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  • Note : Make Writeable? or Make Readable? If your hosts file is writeable the button will be Make Readable?, if your hosts file is only readable the button will be Make Writeable? If you see the button Make Writeable? please click it to allow HostsXpert manuplating hosts file.
  • Secondly please click on Restore MS Hosts File button and then click OK.
  • Now click on Make Readable? button.
  • And close the application, that is all.

You can do a lot of hosts file manuplation with HostsXpert, please read it's help file.


English Tutorials

15 Ноябрь 2010 - 02:59

How To Check Md5sum?

14 Ноябрь 2010 - 23:32


Before we begin let's look at what we check? What is md5 and md5sum?

What is md5?

In cryptography, MD5 (Message-Digest algorithm 5) is a widely used cryptographic hash function with a 128-bit hash value. MD5 has been employed in a wide variety of security applications, and is also commonly used to check the integrity of files


What is md5sum?

The MD5 hash (or checksum) functions as a compact digital fingerprint of a file. It is extremely unlikely that any two non-identical files existing in the real world will have the same MD5 hash (although as with all such hashing algorithms, there are an unlimited number of files that will have any given MD5 hash).


There are a lot of applications which are programed to check md5sum of given files. You can find them by googling. But i would recommend some of them for you before we begin. These applications have other abilities like checking SHA1, CRC32, RIPEMD, SFV files besides MD5 files, but i wouldn't explain them here. Let's concantrete on our main subject which is md5sum.

I think these would be enough. Please choose one of them and you can check md5sum of files. I prefer to use hashcheck , now we are going to check dr.web live cd's md5sum.

  • Please put dr.web live cd image (*.iso) and md5sum file in same folder.
  • if you installed hashcheck, it will associate itself with md5 files, you just need to double click on dr.web's md5sum file to begin verification.
  • HashCheck main screen will be opened and it will start to check your file. if verification is successfull you will see MATCH, if it is a failure you will see MiSMATCH under the status bar of hashcheck.

Good Luck!

How To Use Online Virus Scanners?

09 Июнь 2010 - 16:27


VirusTotal is a service that analyzes suspicious files and facilitates the quick detection of viruses, worms, trojans, and all kinds of malware detected by antivirus engines.

For more information please visit here.

Why you should use this service?

  • Dr.Web support team, moderators, administrators and other expert members can request virustotal results from you.
  • When you send a suspious file to dr.web, it would be very helpfull to send file's virustotal permalink.

How to upload virus samples to virustotal

When you open virustotal homepage you would see main screen, please follow these steps.

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  • Under Upload a file section, please click Browse button
  • Please choose which file you want to upload from your computer to virus total server with browse window
  • Please click Send File button

At this stage, if anybody has sent this file to virustotal before. You will see a screen like below. You can copy that permalink and send it to where requested from you.

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If It is the first scan of that file, you will be redirected to scanning page, at this page several security applications would scan the file and after a little time later you would see results summary like in picture and there will be a list which security softwares detect it under that summary. You can copy and paste this screen to your posts or you can go to address bar of your browser and you can copy the permalink of that scan.

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P.S.: I use Virus.Win64.Rugrat for sample test, it is the first detected windows 64 bit OS virus in 2004, dr.web detects it as Shrug because it is known as the author name of this malware.

How To Create And Restore A Registry Backup?

26 Май 2010 - 01:06


You would see a recommodation which is Restore registry from the backup copy in Dr.Web's WebSite under System recover recommendations. I would like to explain this step for you.

How to create a Registry Backup?

  • Please download Registrar Registry Manager Lite which is a freeware application.
  • Double click on downloaded RegistarLite.exe file and install the software.
  • Please run software, at the main screen of application on toolbox please choose File -> Backup and Restore
  • Backup and Restore window will be opened, in this window please see photograph machine icon on the bottom left corner of window. Please click on it and choose Backup Registry.
  • Another window will be opened, please add a description for your backup in this window and click on OK button.
  • Backup process would be started, during this process please do not try to run another software and close other opened softwares.
  • When backup completed you would see it listed in Backup and Restore window.
  • If you want to restore this backup, please choose and highlight it on Backup and Restore window then please click folder icon near the photograph machine icon and choose Restore option.
  • A warning window will be opened, please read it and click on Yes button. Your restore process will be started.