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  • Active
  • Severity: High
  • Ransomware
  • Windows
  • Verified · Oct 2020

How to remove Kut ransomware

A step-by-step removal guide for affected devices. Follow the verified procedure below — most readers complete it in under 10 minutes.

Olivia Morelli · Ransomware analyst

Kut ransomware – a dangerous cryptovirus from Dharma family

Kut ransomware

Kut ransomware is a cryptovirus that, if not detected and isolated by proper anti-malware software, will lock victims' personal files, and a ransom will be required to decrypt them. Kut virus derives from the Dharma ransomware family. When an infectious file enters the computer system, it immediately starts the encryption[1] process. All non-system files are encoded, appended with three extensions (prescribed user ID, criminal contact information, and .kut), and made unavailable to the victim. As soon as this process is completed, ransom notes (FILES ENCRYPTED.txt) are placed in affected folders with instructions on what to do to regain access to the encrypted data. Also, an abrupt pop-up window with the same guidelines presents itself.

In both ransom notes, the cybercriminals briefly explain that the files are locked and threaten the victims not to try and rename or try and unlock the files with third-party decryption tools, as this may lead to permanent data loss. Two contact emails are provided – kuk1@tuta.io, ti7s@protonmail.ch. According to the perpetrators, the second email should be used only if a victim of their cybercrime doesn't receive an answer within 12 hours of made contact. Developers of Kut ransomware don't provide any more details about the ransom, nor the amount not the requested means of payment.

Name Kut ransomware, Kut file virus, Kut virus
Relations Dharma ransomware family
Clasification Cryptoware, Ransomware, Malware
Appended extension Three extensions added in sequence: unique victim ID.[criminals' contact email].kut, e.g., id-00000000.[kuk1@tuta.io].kut
Ransom note Brief instructions on not to tamper with infected files and contact details can be found in all virus affected folders and a pop-up window
distribution Mischievous websites, spam email, file-sharing platforms
issues All personal data on the device is encrypted, thus making it inaccessible. Probable changes made to system files
Removal guide Use trustworthy anti-malware to remove Kut ransomware and prevent from future attacks
Recommended system fix To eradicate system changes done by the virus, after Kut ransomware removal, use FortectIntego to restore any damage done to system files. This tool will automatically trace and fix everything the malware has tampered with.

It is advised against making any contact with Kut ransomware or any other malware developers, for it could bring more harm to the users and their devices, according to experts.[2] Instead of the promised decryption tools, victims might receive additional malware like trojans that extract their logins to banks, social media platforms, and so on.

Once detected, eliminating the cryptovirus from the computer system should be prompt. To remove Kut ransomware, use SpyHunterCombo Cleaner or MalwarebytesMalwarebytes, which are powerful and dependable anti-malware software that will protect devices from such occurrences.

Albeit cryptoviruses encrypt only victims' personal files, extensive computer system file corruption occurs. Devices start overheating, crashing, severely slowing down, etc., so after Kut ransomware removal, use FortectIntego system tune-up tool to restore any damage that might have been done to the computer, and enjoy it like nothing ever happened.

Pop-up window message:

YOUR FILES ARE ENCRYPTED
Don't worry,you can return all your files!
If you want to restore them, follow this link:email kuk1@tuta.io YOUR ID –
If you have not been answered via the link within 12 hours, write to us by e-mail:ti7s@protonmail.ch
Attention!
Do not rename encrypted files.
Do not try to decrypt your data using third party software, it may cause permanent data loss.
Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Brief message found in “FILES ENCRYPTED.txt”:

all your data has been locked us
You want to return?
write email kuk1@tuta.io or ti7s@protonmail.ch

Kut ransomware virus

Methods cybercriminals use to infect victims' devices

Ransomware and other similar malware is spread out on the internet and is waiting for a vulnerable computer to download it. Most infections occur while downloading contaminated email attachments, opening mischievous hyperlinks that lead to malicious content, initializing torrents.

Developers of various malware conduct so-called “spam campaigns,”[3] during which they send out thousands of emails to recipients all over the world. Within these emails are either infected attachments or misleading hyperlinks. Upon clicking on either of them, a payload file is downloaded to users' devices, and pollution of the computer begins. Prior to retrieving any file from the mailbox, users should scan it with powerful anti-malware software to make sure the desired file is virus-free.

Torrent sites like BitTorrent, The Pirate Bay, and alike are another sure way to get some infections in the computer system. Malware can be disguised as various file types, such as .pdf, .txt, .jpeg, etc. Once ransomware is in the device, it starts what it was created for – encryption and money extortion.

Kut ransomware removal options

The first thing a user should do after malware is detected in their device is to remove it immediately. If a virus sneaked through users' anti-malware software' defense, we advise changing it to a more dependable, more powerful app. To remove Kut ransomware, we suggest using SpyHunterCombo Cleaner or MalwarebytesMalwarebytes. These apps will automatically and swiftly abolish the virus from user devices.

Kut ransomware ransom

Dharma family ransomware is known to do considerable damage to user devices' system files. This may cause computers to exhibit unnatural behavior like crashing, extreme slowdown, apps not working properly, and so on. After Kut ransomware removal is completed, use FortectIntego to restore devices' system files to a pre-contamination phase. Said app at the touch of a button will revert all changes done by the ransomware.

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