What is .Java File Extension ransomware? And how does it carry out its attack?

.Java File Extension ransomware is identified to be the newest addition to the Dharma/Crysis ransomware group. This new variant uses .java file extension in marking its encrypted files. It also adds a unique identification number on the encrypted files. It mostly targets user-generated files, which according to security experts, are the files with the following formats:
.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
Just like its predecessors, the .Java File Extension ransomware uses the AES encryption algorithm to corrupt the files it targets. Following its encryption, the victims are asked to pay a ransom in exchange for the decryptor by contacting the cyber criminals through the given email address which is [email protected]. But contacting these crooks is definitely not advised as they would only extort you more money to recover your files. The thing is if you pay these crooks, there’s actually no guarantee that they will do their end of the bargain once they got their hands on the ransom money. Crooks are proven to ignore their victims once they get what they want. So it’s better if you don’t waste both your time and money with these outlaws as there are other ways you can recover your files without losing your money.
How is .Java File Extension ransomware disseminated?
.Java File Extension ransomware is disseminated through spam emails where the crooks attach some corrupted file used to download the malware into the system and install it. The file may be a macro-enabled document which contains malicious scripts responsible for installing .Java File Extension ransomware in the system. To increase your resistance to these kinds of threats, it is highly suggested that you always keep your system updated as well as the antivirus program you’re using.
To obliterate .Java File Extension ransomware’s attack and malicious components from your PC, follow these instructions.
Step1. Open the Task Manager simply by tapping Ctrl + Shift + Esc keys on your keyboard.
Step2. Under the Task Manager, go to the Processes tab and look for info.hta and any suspicious-looking process which takes up most of your CPU’s resources and is most likely related to .Java File Extension ransomware.

Step3. After that, close the Task Manager.
Step4. Tap Win + R, type in appwiz.cpl and click OK or tap Enter to open Control Panel’s list of installed programs.
Step5. Under the list of installed programs, look for .Java File Extension ransomware or anything similar and then uninstall it.

Step6. Next, close Control Panel and tap Win + E keys to launch File Explorer.
Step7. Navigate to the following locations below and look for .Java File Extension ransomware’s malicious components and then delete all of them.

  • %TEMP%
  • %APPDATA%\Microsoft\Windows\Templates\
  • %USERPROFILE%\Downloads
  • %USERPROFILE%\Desktop

Step8. Close the File Explorer.
Before you proceed to the next steps below, make sure that you are tech savvy enough to the point where you know exactly how to use and navigate your computer’s Registry. Keep in mind that any changes you make will highly impact your computer. To save you the trouble and time, you can just use PC Cleaner Pro, this system tool is proven to be safe and excellent enough that hackers won’t be able to hack into it. But if you can manage Windows Registry well, then, by all means, go on to the next steps.
Step9. Tap Win + R to open Run and then type in regedit in the field and tap enter to pull up Windows Registry.

Step10. Navigate to the following path:

  • HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
  • HKCU\SOFTWARE
  • HKCU\SOFTWARE\WOW6432Node

Step11. Delete the registry keys and sub-keys created by .Java File Extension ransomware.
Step12. Close the Registry Editor and empty your Recycle Bin.
It is important to make sure that nothing is left behind and that .Java File Extension ransomware is completely removed using the following antivirus program. To use it, refer to the instructions below.
Perform a full system scan using SpyRemover Pro. To do so, follow these steps:

  1. Turn on your computer. If it’s already on, you have to reboot
  2. After that, the BIOS screen will be displayed, but if Windows pops up instead, reboot your computer and try again. Once you’re on the BIOS screen, repeat pressing F8, by doing so the Advanced Option shows up.

  1. To navigate the Advanced Option use the arrow keys and select Safe Mode with Networking then hit
  2. Windows will now load the SafeMode with Networking.
  3. Press and hold both R key and Windows key.

  1. If done correctly, the Windows Run Box will show up.
  2. Type in explorer http://www.fixmypcfree.com/install/spyremoverpro

A single space must be in between explorer and http. Click OK.

  1. A dialog box will be displayed by Internet Explorer. Click Run to begin downloading the program. The installation will start automatically once a download is done.

  1. Click OK to launch it.
  2. Run SpyRemover Pro and perform a full system scan.

  1. After all the infections are identified, click REMOVE ALL.

  1. Register the program to protect your computer from future threats.

 

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