What is UltraCrypter

UltraCrypter is new version of ransomware that belong to the family of CryptXXX. It distributes via Angler Exploit Kit. It uses the same RSA-4096 encryption algorithm, but another type of decryption keys, that is why there are NO available 100% working decryptors yet. UltraCrypter adds .cryp1 extensions to all affected files. The ransom is 1.2 Bitcoins ($567.6). Malefactors give 96 hours to pay this amount, otherwise it will double to 2.4 Bitcoins. Currently, there is now simple way to decrypt .cryp1 files without paying the ransom, but we monitor all antivirus companies and will post any updates and decryptors available in proper section of the article. Now you can follow instructions below to remove UltraCrypter and attempt to decrypt .cryp1 files manually using certain techniques.

ultracrypter ransomware

How UltraCrypter infected your PC

UltraCrypter, as well as other ransomware viruses like CryptXXX, Cerber, Locky, Bloccato, uses e-mail attachments, torrent downloads to mislead the user and make him download malicious document or archive, that will infect your system. Usually it is done by macros inside the documents, that will then download main executable. UltraCrypter will also create bmp, txt, and html files with instructions to pay the ransom. Virus assigns certain ID with the victims, that is used to name those files and to send decryption key. In order to prevent infection with this type of threats we recommend you to use SpyHunter 5 and HitmanPro with Cryptoguard.

ultracrypter decryption

Download UltraCrypter Removal Tool

Download Removal Tool

To remove UltraCrypter completely we recommend you to use SpyHunter 5 from EnigmaSoft Limited. It detects and removes all files, folders and registry keys of UltraCrypter.

Alternative remover

Download RakhniDecryptor

As a good free alternative to remove UltraCrypter use Malwarebytes Anti-Malware. It will detect core files and processes of UltraCrypter ransomware and eliminate them to allow you start decryption of your files.

How to remove UltraCrypter manually

It is not recommended to remove UltraCrypter manually, for safer solution use Removal Tools instead.

UltraCrypter files:


UltraCrypter registry keys:

no information

How to decrypt and restore .cryp1 files

Use automated decryptors

kaspersky rannoh decryptor

UltraCrypter allows user to decrypt 1 file for free. This can be used to attempt and decrypt all files by determining encryption key using this decrypted file and comparing it with encrypted one using special tools. Ransomware decryptor from Kaspersky may be useful in this case. It is free and easy to use. Download Kaspersky Ransomware Decryptor here:

There is no purpose to pay the ransom, because there is no guarantee you will receive the key, but you will put your bank credentials at risk.

If you are infected with UltraCrypter ransomware and removed it from your computer you can try to decrypt your files. Antivirus vendors and individuals create free decryptors for some crypto-lockers. To attempt to decrypt them manually you can do the following:

Using Windows Previous Versions option:

  1. Right-click on infected file and choose Properties.
  2. Select Previous Versions tab.
  3. Choose particular version of the file and click Copy.
  4. To restore the selected file and replace the existing one, click on the Restore button.
  5. In case there is no items in the list choose alternative method.

Using Shadow Explorer:

  1. Download Shadow Explorer program.
  2. Run it and you will see screen listing of all the drives and the dates that shadow copy was created.
  3. Select the drive and date that you want to restore from.
  4. Right-click on a folder name and select Export.
  5. In case there are no other dates in the list, choose alternative method.

If you are using Dropbox:

  1. Login to the DropBox website and go to the folder that contains encrypted files.
  2. Right-click on the encrypted file and select Previous Versions.
  3. Select the version of the file you wish to restore and click on the Restore button.

How to protect computer from viruses like UltraCrypter in future

Use Malwarebytes Anti-Ransomware Beta

Famous anti-malware vendor Malwarebytes along with EasySync Solutions created tool that will help you with active anti-ransomware protection as additional shield to your current protection.


Use HitmanPro.Alert with CryptoGuard

Dutch vendor of legendary cloud-based scanner HitmanPro – Surfright released active antivirus solution HitmanPro.Alert with CryptoGuard feature that effectively protects from latest versions of cryptoviruses.

Download AdGuard
Previous articleHow to remove Bloccato ransomware and decrypt .bloccato files
Next articleHow to remove Crypt0L0cker and decrypt .encrypted files
James Kramer
Hello, I'm James. My website Bugsfighter.com, a culmination of a decade's journey in the realms of computer troubleshooting, software testing, and development. My mission here is to offer you comprehensive, yet user-friendly guides across a spectrum of topics in this niche. Should you encounter any challenges with the software or the methodologies I endorse, please know that I am readily accessible for assistance. For any inquiries or further communication, feel free to reach out through the 'Contacts' page. Your journey towards seamless computing starts here


  1. Necesito ayuda, tengo instalado el Windows XP y me dice que estos programas shadow y kapersky no pueden trabajar con este sistema operativo, hay alguien que sepa que programa puedo utilizar. Gracias. No puedo utilizar tampoco el correo electrónico.


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