How to remove Grod virus and restore encrypted files

The page is dedicated to Grod virus that gets onto machines around the world, and encrypts their data. In this item we've gathered full information on Grod's essence, and the deletion of Grod from your system. Besides, we will explain how to restore the corrupted information, if possible.

Grod ransomware virus

Grod ransomware already infected many laptops in different parts of the world with help of basic method: fraud messages with viral attachments. Sometimes fraudsters use exploits to infect the computer, but they are promptly fixed. After the infection, ransomware reviews the PC memory, defines the amount of folders to be encrypted and their general worth. At the moment, each new ransomware can cypher text, video, image and audio information in all known formats. Virus corrupts all folders, but the ones that look like business documents go first. All programs on computer will be untouched since criminals are interested only in information. The operation is performed via well-known encryption algorithms, and it is so complex that that it can't be bruteforced. Such complexity gives reason for unbelievable efficiency of ransomware in recent years: an ordinary user, even if he has a pretty good knowledge of the PC, will never be able to recover the files, and will have to pay the price. The sole method to recover files is to crack the scam site and retrieve the encryption keys. Also there's a chance to withdraw the keys through defects in the code of the virus itself.

The computer knowledge is quite important in our century, as it assists user to protect the workstation from computer viruses. For ransomware it's most important, because, unlike regular dangerous software, after eliminating ransomware from the PC, the effects of its actions will stay. To protect your laptop, you should keep in mind these few elementary principles:

    • Heed to the dialog boxes. The simplest manner of file recovery is the recovery from Shadow Copies, so scammers have included the deletion of SC in the default features of ransomware. Anyway, deleting of copies needs admin rights and operator's verification. Thus, if you do not accept changes from a unknown software at the proper time, you will save the way to recover all lost information free of charge.
    • Closely examine your mailbox, particularly the messages which have attached files. The #1 pattern of fraud letters is the story about prize winning or parcel receiving. The other effective sort of these letters is a "business letters". Invoices for products and services, summaries, appeals, lawsuits and similar specific files cannot be sent without warning, and you, as a minimum, should know the sender. In all other cases it is a scam.
    • Do not disregard the signs that your workstation displays. It consumes a lot of hardware resources to encode the data. If you notice a strange reduction in system power or detect a unwanted process in the Process Manager, you need to unplug the workstation, boot it in safe mode, and search for ransomware. This, in case of penetration, will save a lot of your data.

Malware elimination isn't answer to the whole problem - it's just a one move on the long road until the full file recovery. To decrypt the information you should familiarize with the advices in the next paragraph of this article. To get rid of the virus, user has to start the laptop in safe mode and scan it with AV-tool. We do not recommend trying to remove the virus in manual mode, because it has different defensive mechanisms that can counteract you. Modern ransomware are able to easily delete encrypted data, or some of it, if user attempts to eliminate the virus. To avoid this, abide to the guide under this paragraph.

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

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Step 5. Disable Safe mode

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

Deactivate Safe mode

If you fulfilled all steps, described in previous paragraph - it's time to decypher the files. In fact, this is not about decryption, since the encrypting manners owned by scammers are very complicated. More often than not, to restore the files, the customer has to ask for assistance on targeted forums or from renowned malware fighters and antivirus program vendors. If you choose the by-hand file restore - take a look at this article, which describes all the easiest manners.

To restore information, follow the article about files decryption.

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