.KokoLocker File Virus – Remove KokoKrypt and Restore Files - How to, Technology and PC Security Forum | SensorsTechForum.com
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.KokoLocker File Virus – Remove KokoKrypt and Restore Files

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This article aims to help you get rid of KokoKrypt Ransomware virus and try to decrypt files encrypted with the .kokolocker file extension added to them.

A ransomware virus, known as KokoKrypt has been reported to encrypt files on computers that have been compromised by it. The virus then adds a file extension .kokolocker after which it adds a ransom note where the virus gives the victim 72 hours to pay a hefty ransom fee. In case you happen to be a victim of KokoKrypt ransomware, advice are not to pay the requested by the crooks sum of 0.1 BTC and instead to read the following article. It will help you learn more about KokoKrypt and more on how to remove the virus and restore your files in case they have been encrypted by it.

Threat Summary

Name

KokoKrypt

TypeRansomware
Short DescriptionThe malware encrypts users files using a strong encryption algorithm, making direct decryption possible only via a unique decryption key available to the cyber-criminals.
SymptomsThe user may witness ransom notes and “instructions” linking to a web page and a decryptor. Changed file names and the file-extension .kokolocker has been used.
Distribution MethodVia an Exploit kit, Dll file attack, malicious JavaScript or a drive-by download of the malware itself in an obfuscated manner.
Detection Tool See If Your System Has Been Affected by KokoKrypt

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Malware Removal Tool

User ExperienceJoin our forum to Discuss KokoKrypt.
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.

How Does KokoKrypt Spread

To be replicated and infect, the criminals behind KokoKrypt may use either malicious attachments or malicious web links.

If they use an attachment, the crooks behind KokoKrypt ransomware may take advantage of a variety of tools such as exploit kits, infection downloader, and malware obfuscators that all contribute to undetected infection. They may upload the attachments posing as legitimate Microsoft Office documents or other types of seemingly legitimate files.

If the scenario is that malicious web links are used, the crooks may conceal them as fake buttons on well-designed phishing e-mails coming from websites, like Facebook, PayPal, and other big names. One example may be if you receive an e-mail that someone sent you a Facebook friend request and there is a button on the e-mail that may say “Add Friend” or something in proximity.

KokoKrypt – More Information

After the victim opens a web link or a malicious file, the infection has already been initiated and malicious scripts may be injected in legitimate Windows processes, such as:

  • Vssadmin
  • Csrss.exe
  • Lsass.exe
  • Services.exe
  • Svchost.exe
  • Smss.exe

Then the malicious payload of KokoKrypt ransomware is usually downloaded in some of several key Windows folders under different names, for example:

After the malicious files of KokoKrypt have been downloaded and activated, the virus may get right down to business. KokoKrypt attacks numerous files of importance to the user, such as videos, photos, documents and other files. The file extensions it may be pre-programmed to encipher are the following:

→ “PNG .PSD .PSPIMAGE .TGA .THM .TIF .TIFF .YUV .AI .EPS .PS .SVG .INDD .PCT .PDF .XLR .XLS .XLSX .ACCDB .DB .DBF .MDB .PDB .SQL .APK .APP .BAT .CGI .COM .EXE .GADGET .JAR .PIF .WSF .DEM .GAM .NES .ROM .SAV CAD Files .DWG .DXF GIS Files .GPX .KML .KMZ .ASP .ASPX .CER .CFM .CSR .CSS .HTM .HTML .JS .JSP .PHP .RSS .XHTML. DOC .DOCX .LOG .MSG .ODT .PAGES .RTF .TEX .TXT .WPD .WPS .CSV .DAT .GED .KEY .KEYCHAIN .PPS .PPT .PPTX ..INI .PRF Encoded Files .HQX .MIM .UUE .7Z .CBR .DEB .GZ .PKG .RAR .RPM .SITX .TAR.GZ .ZIP .ZIPX .BIN .CUE .DMG .ISO .MDF .TOAST .VCD SDF .TAR .TAX2014 .TAX2015 .VCF .XML Audio Files .AIF .IFF .M3U .M4A .MID .MP3 .MPA .WAV .WMA Video Files .3G2 .3GP .ASF .AVI .FLV .M4V .MOV .MP4 .MPG .RM .SRT .SWF .VOB .WMV 3D .3DM .3DS .MAX .OBJ R.BMP .DDS .GIF .JPG ..CRX .PLUGIN .FNT .FON .OTF .TTF .CAB .CPL .CUR .DESKTHEMEPACK .DLL .DMP .DRV .ICNS .ICO .LNK .SYS .CFG”Source:fileinfo.com

After this has been done, the encrypted files can no longer be opened, because bytes of those files are replaced with strong encryption. They look like the following:

To make the user known of it’s presence, KokoKrypt ransomware uses a pop-up message with the following content:

— KoKoKrypt —
All of your personal data got encrypted by KokoKrypt!
To unlock all your data of this computer, you have to do the following steps:
1. Get a Bitcoin Wallet
2. Get 0.1 BTC on it
3. Put your BTC Address below
4. Wait for decryption process
Payment may be delayed for 24/48 hours, so don’t worry! You have 78h to pay!
After 78h, KoKoKrypt will uninstall itself and leave your files encrypted!
Button “Pay using Bitcoin.”

Remove .KokoLocker File Virus and Restore Encrypted Files

Experts advise not to pay cyber-criminals who are behind KokoKrypt ransomware, for obvious reasons:

  • You cannot trust them to restore your files.
  • You are aiding them to further spread their malware and develop it.

This is why it is recommended to focus on removing KokoKrypt by yourself. To simplify the removal process, we have created removal instructions below. In case you lack the experience in manually removing KokoKrypt ransomware, we advise you to go straight to the Automatic part of those instructions.

After having removed KokoKrypt from your computer, it is strongly advisable to focus on trying to restore the encrypted data. One method of doing this is to follow the alternative tools we have suggested in step “2. Restore files, encrypted by KokoKrypt” below. They are not 100% guaranteed but with their aid, you may restore at least some of your files, at least until malware researchers come up with a decryptor, which, if happens, we will make sure to update this article.

Note! Your computer system may be affected by KokoKrypt and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as KokoKrypt.
Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

To remove KokoKrypt follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove KokoKrypt files and objects
2. Find files created by KokoKrypt on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
4. Try to Restore files encrypted by KokoKrypt

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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