.corrupt Files Virus - How to Remove and Restore Encrypted Documents

.corrupt Files Virus – How to Remove and Restore Encrypted Documents

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This article has a goal to help you by showing you how to remove the .corrupt file extension ransomware virus from your computer and explain how to restore files that have been encrypted by it without having to pay ransom.

New form of ransomware infection, appending the .corrupt file extension after it encrypts the files on the infected computer has been reported by victims. The malware aims to make the important documents on the computers infected by it no longer able to be opened and after this, the virus also aims to get the victim to pay a hefty ransom fee in order to make his files usable again. The virus may demand different cryptocurrencies as a form of payment, primarily BitCoin. If you have been infected by the .corrupt files ransomware, paying the ransom is highly inadvisable and we recommend you to read the following article in order to learn how to remove this ransomware infection and try to recover files encrypted with .corrupt file extension added to them without paying to cyber-criminals.

Threat Summary

Name.corrupt Ransomware
TypeRansomware, Cryptovirus
Short DescriptionA virus from the file encryption type. Encrypts the files on your computer, and then asks you to contact a random-named ProtonMail e-mail account for further demands.
SymptomsAppends two file extensions to the encrypted files – .corrupt and a random-named e-mail address for payment.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by .corrupt Ransomware


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .corrupt Ransomware.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

.corrupt Ransomware – Spreading Methods

In order to get this ransomware out there and running, the cyber-criminals have though the process through. They may have utilized an exploit kit which uses vulnerabilities in unpatched Windows systems to enter undetected and drop the malicious files of the ransomware via an intermediary infection file or a malicious web link. These objects are often seen as fake e-mail attachments, like the one in the malicious e-mail that is carefully disguised below:

After the victim opens the malicious file, the infection process is triggered and the malicious file drops the payload of the virus on the victim’s computer. Usually, the file may be obfuscated itself in order to avoid conventional antivirus programs from detecting it. This process ensures a more successful infection to take place.

In addition to via e-mail, the ransomware may infect users via multiple different types of files that may pose as legitimate ones, for instance:

  • Software setups.
  • License activators.
  • Game patches and game cracks.
  • Fake torrent files.

.corrupt Ransomware Virus – Activity

Once the payload of the .corrupt files virus is dropped, it may consist of more than one malicious files and these files may reside in the following commonly targeted Windows directories:

  • %AppData%
  • %Local%
  • %Roaming%
  • %LocalLow%
  • %Temp%

After having dropped it’s malicious files, the .corrupt files virus may perform other activities on the computer of the victims, like interfere with the following Run and RunOnce Windows registry sub-keys by adding registry value strings with data in them:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

This allows for the .corrupt files virus to run it’s malicious files automatically when Windows starts up. If you check the data of those registry entries, which are usually value strings with random names, the actual file encrypting executable’s location can be discovered.

In addition to this, the .corrupt files virus also obtains permissions to run administrative commands via the Windows Command Prompt. Some of the commands which the virus may run on your computer may be hidden from your sight and delete your backups, shadow volume copies plus disable the Windows Recovery service. The commands are usually ran via a script and are the following:

→ process call create “cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures”

How Does .corrupt Ransomware Encrypt

To perform the encryption process of the infected computer, the .corrupt files virus may begin to scan the infected machine for the following types of files:

  • Documents.
  • Videos.
  • Music files.
  • Archives.
  • Virtual drive files (.vdmk, etc.).

The encryption process may be performed by using the AES or RSA encryption algorithms (or both in combination) via different encryption modes, like RC4 for example. This is done with the purpose of increasing the difficulty to decipher the decryption key which is generated after the process is complete. The files no longer look the same and appear with one of the following file extensions:

Remove .corrupt Files Virus and Recover Encrypted Documents

In order to remove this ransomware infection from your computer, you will need to have some experience. The preferred methods to do the removal are via following the manual or the automatic removal instructions below. If you lack the experience in manual removal, security experts strongly advise downloading and scanning your computer with an advanced anti-malware scanner, which will automatically delete all of the objects, related ot the .corrupt files virus and protect your computer against future threats.

In order to try and restore as many files as you can, you can try the alternative file recovery methods which we have suggested from step “2. Restore files encrypted by .corrupt Ransomware” below. The methods may not be 100% effective, but can help recover multiple files that have been encrypted without you having to pay for decryption to the cyber-criminals.


Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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