How to remove Doubleoffset virus and restore encrypted files

Doubleoffset ransomware virus

Doubleoffset is the unwanted software getting into computers mainly via Trojans and scam e-mails. Also, hackers use zero-day vulnerabilities to get into the system, but they are quickly corrected. When infection takes place, ransomware inspects the hard disc, defines the number of folders to be encrypted and their approximate value. At the moment, any new ransomware can cypher image, video, text and audio information in all popular extensions. Ransomware corrupts all folders, but those that look like business records go first. Doubleoffset targets only information, and doesn't affect the programs, so that the user can use the PC to make the payment. Encryption is carried out with the help of famous RSA and AES algorithms, and its complexity is so high that it cannot be bruteforced. This is the base for impressive effectuality of ransomware in last years: an ordinary customer, even having a fairly good knowledge of the computer, won't ever recover the files, and will have to pay ransom. The sole method to get back the data is to crack the fraudster's website and retrieve the encryption keys. Some experienced hackers can retrieve these keys due to flaws in the code of the virus itself. /p>

This entry is about virus called Doubleoffset which gets onto machines in different countries of the world, and corrupts their data. In this page you can find important information about what is Doubleoffset, and the deletion of Doubleoffset from the workstation. Besides, we will explain how to restore the corrupted information and is it possible.

The computer knowledge is quite substantial in our century, because it assists customer to guard the laptop from unwanted programs. For encrypting software it's most important, because, in contradistinction to normal viruses, when you eliminate ransomware from the computer, the fruits of its doings will stay. To protect yourself, you must remember these three elementary rules:

    • Do not accept any alterations to the PC, originating from strange software. If the laptop is penetrated by Doubleoffset, it will attempt to remove the shadow copies of your files, to lower the possibility of recovery. The removal of shadow copies needs administrator rights and user's acceptance. The second of thinking before confirming the checkbox might save your data and your efforts.
    • Don't neglect the symptoms that your computer shows. It takes a lot of computing power to encode the files. In few minutes after the infection, the CPU speed decreases, and the encrypting process appears in Process Manager. You may anticipate this event and switch off the computer before files will be fully lost. This, if the workstation is really infected, will save some of your information.
    • Carefully study your mailbox, especially the messages which have attached files. If this message comes from an unknown address and it notifies about earning some prize, a lost package or something similar, this could be a scam letter. The other efficient kind of scam messages is a "business messages". appeals, summaries, lawsuits, Bills for services or products and other specific information don't be sent without warning, and you, as a minimum, should know the person who sent it. Otherwise, it is a fraud.

You should understand that the elimination of Doubleoffset is only the first and obligatory step for the standard work of the computer. To decrypt the information you should follow the advices in the following part of our article. To deelete Doubleoffset, you have to load the PC at safe mode and run the scanning through antivirus program. Some viruses can't be uninstalled even through AV-tool, and have many serious mechanisms of defense. Modern ransomware are able to easily erase corrupted data, or some of it, if user tries to uninstall the program. This is very undesirable, and the below part will assist you to deal with it.

Removal instruction

Step 1. Boot into Safe mode

Safe mode

Start -> Msconfig.exe

Safe mode. Step 1

On the tab Boot select Safe boot

Safe mode. Step 2

Step 2. Check Startup folder

Start -> Msconfig.exe ->Disable unknown programs in the Startup tab

Startup

Step 3. Check hosts file

Modify hosts file, that located in C:\Windows\System32\drivers\etc\ .

Hosts file.Step 1

Open the file with Notepad and delete suspicious strings.

Hosts file.Step 2

It has to look like this:

Hosts file.Step 3

Step 4. Scan the system with antiviral scanner

Antivirus scanner

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Step 5. Disable Safe mode

Start -> Msconfig.exe ->Disable Safe boot in the Boot tab

Deactivate Safe mode

If you performed all conditions, described in above part of an entry - it's time to restore the files. Actually, this is not about decryption, as the encryption manners owned by fraudsters are very complex. There are the lucky chances, but most of the time data recovery needs lots of time and money. If you are very interested in the independent file recovery - take a look at this article, which describes all the easiest ways.

To restore information, follow the article about files decryption.

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