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Remove Flyper Ransomware and Restore .flyper Encrypted Files

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flyper-wallpaper-encrypted-file-ransomware-sensorstechforumA ransomware virus, carrying the name Flyper, based on the HiddenTear virus project has been caught out in the wild to infect user PCs. The virus uses a very strong RSA-2048 file encryption mechanism to encipher the files of unsuspecting users, adding it’s distinctive .flyper file extension to the encrypted files. Users are asked in an instructions.txt file to pay in BitCoin a ransom payoff to cyber criminals. Everyone who has been affected by the Flyper virus are warned NOT to pay the ransom money, since there may be alternative methods to decrypt your files. We have provided further instructions on removing Flyper ransomware from your computer and trying to restore your files, so we suggest to read this article carefully.

Threat Summary

Name

Flyper

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.txt” all linking to a web page and a decryptor. Changed file names and the file-extension .flyper has been used. Also changes the wallpaper to a “You have been hacked!” message.
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 Flyper

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User ExperienceJoin our forum to Discuss Flyper 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.

Flyper Ransomware – How Does It Spread

To infect users, Flyper uses a file that has a very long name, for example:

1280dg28d238fg4f348g03410r012d4g839gf348fh34.exe

The file itself is an executable type of file, but it is cleverly masked to resemble an Adobe Reader .pdf file. Such files may be disguised on spam e-mail addresses as well as dropped on your computer via other malware, like Trojan.Downloader, for example. They may also be downloaded via a malicious URL that you may have landed on as a result of a potentially unwatned program that displays ads on your computer.

Flyper Ransomware – More Information

As soon as the malicious file of Flyper has been activated, it may briefly freeze your computer and the opened Windows may enter “Not Responding” state.

Then a command prompt window may open, suggesting the Flyper virus also deletes the shadow volume copies using the following command:

vssadmin delete shadows /all /quiet

After erasting the shadow copies, the Flyper virus immediately gets down to business. It scans for most Widely used type of file extension and if they are present on the computer, the virus encrypts them:

“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

The ransomware then displays a text document, named Instructions.txt. The ransom not in it notifies the users his files are encoded and gives further instructions on how to pay the ransom money in BitCoin:

“Your personal files have been encrypted with strongest encryption RSA 2048 and unique key generated for this computer.
We present a decrypter software which allows to decrypt and return control to all your encrypted files.
We accept a payment with Bitcoin, there are many methods to get them.
On these sites you can buy Bitcoin
Localbitcoin.com cex.io btcdirect.eu
To get KEY and Decrypter Program :
1)Send 0.5 BTC bitcoins to this address with Description your PC Computer Name
Bitcoin Address 1PniPmm5kiuuAhXpBWR3QiUtpfAAFm2SS
2)Contact me by email to get your key
[email protected]

Since this is a part of the open source HiddenTear projects, researchers may discover a decryption method and release a free decrypter.

Until then, users are advised to remove Flyper Ransowmare and try to restore their files, using the instructions provided below.

Remove Flyper Ransomware and Restore .Flyper Files

After Flyper attacks your computer and encrypts your files, the first advisable step is to remove it from your PC. You can do this by following the step-by-step instructions below. Malware reverse engineers also advise using a more automatic approach and downloading an advanced anti-malware program to remove this virus from your computer.

If you want to try and restore your files, please check the alternative methods in step “3. Restore files Encrypted by Flyper” below.

Furthermore, we also advise you to follow this article since we will update it as soon as a decrypter for Flyper has been released.

Note! Your computer system may be affected by Flyper 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 Flyper.
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 Flyper follow these steps:

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

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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