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Danger level 7
Type: Trojans
Common infection symptoms:
  • Slow Computer
  • System crashes
  • Connects to the internet without permission
  • Installs itself without permissions
  • Can't be uninstalled via Control Panel

Crypto-Blocker Ransomware

Crypto-Blocker Ransomware is a new ransomware-type infection researchers at pcthreat.com discovered at the beginning of May, 2017. Although it is one of the newest crypto-threats, it works in a usual way, i.e. it slithers onto computers illegally and then starts the encryption of personal files it finds stored on the affected computer. It has only one unique feature, specialists say. It encrypts only one specific location: %APPDATA%\Temp, which means that system and other important files will be left untouched. Users usually do not keep important files in this folder, so it might be true that there is no point in trying to unlock them. Of course, it does not mean that users can do nothing and let Crypto-Blocker Ransomware stay on their computers. Since this threat is nothing like these sophisticated ransomware infections, its removal should not be a task that is hard to accomplish.

Specialists suspect that Crypto-Blocker Ransomware could have been developed for testing purposes or it is simply very buggy. They think so because it encrypts files located in only one folder, which is not typical for ransomware, and although it demands a ransom, there is no information about how to pay it provided to users. Unfortunately, this also means that you could not purchase a decryption key from cyber criminals if you find your files encrypted and need them back. Of course, there are no guarantees that you would get them back if you paid a ransom too.

Although it is not a typical ransomware infection, it does not differ from other crypto-threats much because it goes to encrypts files right after the successful entrance and then opens a window with a ransom note. This window is opened appears on Desktop, and it lets users know why they cannot access their files: “we encrypt all your personal files (OS, Documents, Images,…).” Also, it contains a piece of information about the decryption of files. Users are told that they can only unlock them by paying 10 euros/pounds/dollars/etc. (the ransom can be paid in any currency). Users are given only 5 hours to do that, but the problem is that this message does not contain payment instructions and, consequently, users cannot send money for the decryption key. Have you found your files in %APPDATA%\Temp having a new filename extension .corrupted and need them back badly? Do not worry; a free decryptor has been developed, and you should use it instead of trying to send money to the author of Crypto-Blocker Ransomware.

There is nothing shocking about the distribution of Crypto-Blocker Ransomware either because it is spread just like any other ransomware infection. First, specialists have discovered that it might be spread through spam emails. Users do not know that these spam emails contain malicious software at first, but it is usually too late when they find out about that - Crypto-Blocker Ransomware is already inside their PCs. It enters computers when users open attachments they find in these spam emails. It should be noted that, in most cases, they have the appearance of important documents. Users might find a malicious link instead of an attachment in a spam email distributing Crypto-Blocker Ransomware too. To be frank, it is not the only distribution strategy used. According to specialists at pcthreat.com, this threat might be promoted on websites containing free downloads as well. You might not notice how it enters your computer, but you will realize soon that malicious software has slithered onto your computer because some of your files will be encrypted, a window will be opened on Desktop, and the Task Manager will be disabled.

Crypto-Blocker Ransomware does not drop any files and does not make any important modifications in the system registry, so you can delete it by finding and erasing its executable file. It might seem to be very easy to do that, but, believe us, it is not a piece of cake to find the malicious file when it might be anywhere on the system. Let our instructions help you, but keep in mind that you can eliminate Crypto-Blocker Ransomware with an automatic malware remover too. It will also restore the disabled functionality of the Task Manager. In case you have deleted the malicious file manually, do not forget to manually fix the Task Manager too. You can use a reputable automatic tool for this specific task as well.

How to delete Crypto-Blocker Ransomware

Delete ransomware

  1. Open the Windows Explorer.
  2. Check four directories: %APPDATA%, %TEMP%, %USERPROFILE%\Downloads, and %USERPROFILE%\Desktop.
  3. Delete all suspicious files.
  4. Empty the Recycle bin.

Restore the functionality of the Task Manager

  1. Tap Win+R.
  2. Enter gpedit.msc in the command line and click OK.
  3. Click User Configuration.
  4. Select Administrative Templates.
  5. Click System and open Ctrl+Alt+Del Options.
  6. Double-click on Remove Task Manager.
  7. Mark the Disabled option and click OK.
  8. Close the window and restart your computer.
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