If your personal files, such as documents, photos, music does not open normally, their names changed or .purge added at the end of their name then your computer is infected with a new virus from a family of file-encrypting ransomware. Once started, it have encrypted your personal files stored on a computer drives and attached network drives.
It uses very strong hybrid encryption with a large key. When the ransomware encrypts a file, it will add the .purge extension to each encrypted file. Once the virus finished enciphering of all files, it will create a file named “How to restore files.hta” with an instructions on how to decrypt all encrypted files.
Purge virus offers to make a payment in Bitcoins to get a key to decrypt files. Important to know, currently not possible to decrypt the .purge files encrypted by the ransomware without the private key and decrypt program.
If you choose to pay the ransom, there is no 100% guarantee that you can get back your files! If you do not want to pay for a decryption key, then you have a chance to restore your files. Use the step-by-step guide below to remove the virus itself and try to restore your files.
What is Purge ransomware?
Is my system infected with Purge ransomware?
How does my computer get infected with Purge virus ?
How to decrypt .purge files ?
How to remove Purge virus?
How to restore .purge files ?
How to prevent my computer from becoming infected by Purge ransomware?
What is Purge ransomware?
Purge is a variant of ransomware infection. It affects all current versions of Windows operating systems such as Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10. This virus uses a hybrid AES + RSA encryption mode to eliminate the possibility of brute force a key, which will allow to decrypt all encrypted files.
When the virus infects a computer, it uses system directories to store own files. To run automatically whenever you turn on your computer, Purge ransomware creates a registry entry in Windows: sections HKCU \ Software \ Microsoft \ Windows \ CurrentVersion \ Run, HKCU \ Software \ Microsoft \ Windows \ CurrentVersion \ RunOnce, HKCU \ Software \ Microsoft \ Windows \ CurrentVersion \ Run, HKCU \ Software \ Microsoft \ Windows \ CurrentVersion \ RunOnce.
Immediately after the launch, the virus scans all available drives, including network and cloud storage, to determine which files will be encrypted. The ransomware uses the file name extension, as a way to define a group of files that will be subjected to encrypting. Encrypted almost all types of files, including common as:
0, .1, .1st, .2bp, .3dm, .3ds, .sql, .mp4, .7z, .rar, .m4a, .wma, .avi, .wmv, .csv, .d3dbsp, .zip, .sie, .sum, .ibank, .t13, .t12, .qdf, .gdb, .tax, .pkpass, .bc6, .bc7, .bkp, .qic, .bkf, .sidn, .sidd, .mddata, .itl, .itdb, .icxs, .hvpl, .hplg, .hkdb, .mdbackup, .syncdb, .gho, .cas, .svg, .map, .wmo, .itm, .sb, .fos, .mov, .vdf, .ztmp, .sis, .sid, .ncf, .menu, .layout, .dmp, .blob, .esm, .vcf, .vtf, .dazip, .fpk, .mlx, .kf, .iwd, .vpk, .tor, .psk, .rim, .w3x, .fsh, .ntl, .arch00, .lvl, .snx, .cfr, .ff, .vpp_pc, .lrf, .m2, .mcmeta, .vfs0, .mpqge, .kdb, .db0, .dba, .rofl, .hkx, .bar, .upk, .das, .iwi, .litemod, .asset, .forge, .ltx, .bsa, .apk, .re4, .sav, .lbf, .slm, .bik, .epk, .rgss3a, .pak, .big, wallet, .wotreplay, .xxx, .desc, .py, .m3u, .flv, .js, .css, .rb, .png, .jpeg, .txt, .p7c, .p7b, .p12, .pfx, .pem, .crt, .cer, .der, .x3f, .srw, .pef, .ptx, .r3d, .rw2, .rwl, .raw, .raf, .orf, .nrw, .mrwref, .mef, .erf, .kdc, .dcr, .cr2, .crw, .bay, .sr2, .srf, .arw, .3fr, .dng, .jpe, .jpg, .cdr, .indd, .ai, .eps, .pdf, .pdd, .psd, .dbf, .mdf, .wb2, .rtf, .wpd, .dxg, .xf, .dwg, .pst, .accdb, .mdb, .pptm, .pptx, .ppt, .xlk, .xlsb, .xlsm, .xlsx, .xls, .wps, .docm, .docx, .doc, .odb, .odc, .odm, .odp, .ods, .odt, .wav, .wbc, .wbd, .wbk, .wbm, .wbmp, .wbz, .wcf, .wdb, .wdp, .webdoc, .webp, .wgz, .wire, .wm, .wma, .wmd, .wmf, .wmv, .wn, .wot, .wp, .wp4, .wp5, .wp6, .wp7, .wpa, .wpb, .wpd, .wpe, .wpg, .wpl, .wps, .wpt, .wpw, .wri, .ws, .wsc, .wsd, .wsh, .x, .x3d, .x3f, .xar, .xbdoc, .xbplate, .xdb, .xdl, .xld, .xlgc, .xll, .xls, .xlsm, .xlsx, .xmind, .xml, .xmmap, .xpm, .xwp, .xx, .xy3, .xyp, .xyw, .y, .yal, .ybk, .yml, .ysp, .z, .z3d, .zabw, .zdb, .zdc, .zi, .zif, .zip, .zw
Once a file is encrypted, its extension changed to .purge. Next, the virus creates the files named “How to restore files.hta”. This file contain instructions on how to decrypt all encrypted files. Some examples of these instructions:
YOUR FILES HAVE BEEN ENCRYPTED!
You personal ID
XXX
Your files have been been encrypted with a powerfull strain of a virus called ransomware.
Your files are encrytped using rsa encryption, the same standard used by the military and banks. It is currently impossible to decrypt files encrypted with rsa encryption..
Lucky for you, we can help. We are willing to sell you a decryptor UNIQUELY made for your computer (meaning someone else’s decryptor will not work for you). Once you pay a small fee, we will instantly send you the software/info neccessary to decrypt all your files, quickly and easilly.
In order to get in touch with us email us at powerbase@tutanota.com.In your email write your personal ID (its located at the up of the page, it is a string of random characters). Once we receive your personal ID, we will send you payment instructions.
As proff we can decrypt you files we may decrypt 1 small file for test.If you dont get answer from powerbase@tutanota.com in 10 hours
Register here: http://bitmsg.me (online sending message service Bitmessage)
Write to adress BM-2cUrKsazEKiamN9cZ17xQq9c5JpRpokca5 with you email and personal IDWhen you payment will bee confirmed, You will get decrypter of files on you computer.
After you run decrypter software all you files will be decryped and restored.IMPORTANT!
Do not try restore files without our help, this is useless and you may lose data permanetly
Decrypters of others clients are unique and work only on PC with they personal ID.
We can not keep your decryption keys forever, meaning after 1 week after you have been infected, if you have not paid, we will not be able to decrypt your files. Email us as soon as you see this message, we know exactly when everyone has been encrypted and the longer you wait, the higher the payment gets.
Purge ransomware actively uses scare tactics by giving the victim a brief description of the encryption algorithm and showing a threatening message on the desktop. It is trying to force the user of the infected computer, do not hesitate to pay a ransom, in an attempt to recover their files.
Is my system infected with Purge ransomware?
Identify that your computer is infected with Purge ransomware quite easily. If your personal files, such as documents, photos, music does not open normally, that is, for example, when you try to open a document, Word reports that it is an unknown file type, then it is likely that the document is encrypted, and your computer is infected. Of course, the presence on the desktop a ransom screen or threatening message is a sign of infection.
If you suspect that you have opened a email that infected with Purge ransomware, but you does not see any symptoms of the infection, then do not turn off or restart your computer. First turn off the Internet! Then follow the steps in this guide, see How to remove the Purge virus. Another option, shut down the computer, remove the hard drive and check it on another computer.
How does my computer get infected with Purge virus
Purge virus is distributed through the use of spam emails. Below is an email that is infected with a virus like Purge ransomware.
Once this attachment has been opened, this virus will be started automatically as you do not even notice that. Purge ransomware will start the encryption process. When this process is done, it will display the usual ransom instructions like above on How to restore files.hta.
How to decrypt .purge files
Currently there is no available method to decrypt .purge files. The ransomware repeatedly tells the victim that uses a strong encryption algorithm. What does it mean to decrypt the files is impossible without the private key. Use a “brute forcing” method is also not a way because of the big length of the key. Therefore, unfortunately, the only payment to the authors of the Purge ransomware entire amount requested – the only way to try to get the decryption key.
There is absolutely no guarantee that after the payment of the authors of the Purge ransomware will provide the necessary key to decrypt your files. In addition, you must understand that paying money to the cyber criminals, you are encouraging them to create a new virus.
How to remove Purge virus
The following instructions will help you to remove Purge malicious software. Before doing it, you need to know that starting to remove the virus, you may block the ability to decrypt files by paying authors of the virus requested ransom.
Kaspersky Virus Removal Tool and Malwarebytes Anti-malware can detect different types of active ransomware and easily remove it from your computer, but they can not recover encrypted files.
Remove Purge virus with MalwareBytes Anti-malware
Download MalwareBytes Anti-malware (MBAM) from the link below.
MalwareBytes Anti-malware download link
Once downloaded, close all programs and windows on your computer. Open a directory in which you saved it. Double-click on the icon that named mbam-setup like below.
When the installation begins, you will see the Setup – Wizard that will help you install MalwareBytes Anti-malware on your computer.
Once installation is complete, you will see window similar to the one below.
Now click on the Scan Now button to start scanning your computer. This procedure can take some time, so please be patient.
When the scan is finished, make sure all entries have “checkmark” and click Remove Selected button. MalwareBytes Anti-malware will start to remove ransoware related files, folders, registry keys. Once disinfection is completed, you may be prompted to Restart.
Remove Purge virus with Kaspersky virus removal tool
Download Kaspersky virus removal tool from here and save it directly to your Windows Desktop.
Double-click on the KVRT icon found on your desktop. Once initialization process is finished, you will see the Kaspersky virus removal tool screen as shown below.
Click Change Parameters and set a check near all your drives. Click OK to close the Parameters window. Next click Start scan button. Kaspersky virus removal tool will now start scanning your computer for known infections. This procedure can take some time, so please be patient.
When KVRT has finished scanning, you will see a screen like shown below.
Click on Continue to start a cleaning process.
How to restore .purge files
In some cases, you can recover files encrypted by ransomware. Try both methods. Important to understand that we cannot guarantee that you will be able to recover all encrypted documents, photos and other files.
Restore .purge files with ShadowExplorer
Download ShadowExplorer from the following link.
Open a directory in which you saved it. Right click to ShadowExplorer-0.9-portable and select Extract all. Follow the prompts. Next please open the ShadowExplorerPortable folder as shown below.
Double click ShadowExplorerPortable to run it. You will see the following screen.
In top left corner, select a Drive and a latest restore point as shown on the example below (1 – drive, 2 – restore point).
On right panel look for a file that you want to restore, right click to it and select Export. An example below.
Restore .purge files with PhotoRec
Download PhotoRec from the link below.
Open a directory in which you saved it. Right click to testdisk-7.0.win and select Extract all. Follow the prompts. Next please open the testdisk-7.0 folder as shown below.
Double click on qphotorec_win to run PhotoRec for Windows. It will open a screen like below.
Select a drive to recover from as shown below.
You will see a list of available partitions. Select a partition that holds the lost and encrypted files. An example below.
Click on File Formats button and select file types to recover. You can to enable or disable the recovery of certain file types. When this is done, click OK button.
Next, click Browse button to select where recovered files should be written, then click Search.
Count of recovered files is updated in real time. All recovered files are written in a folder that you have selected on the previous step. You can to access the files even if the recovery process is not finished.
When the recovery is completed, click on Quit button. Next, open the directory where recovery files are stored. You will see a contents like below.
All recovered files are written in recup_dir.1, recup_dir.2 … sub-directories. If you are looking for a specific file, then you can to sort your recovered files by extension and/or date/time.
How to prevent my computer from becoming infected by Purge ransomware?
Most antivirus programs already have built-in protection system against the ransomware. Therefore, if your computer does not have an antivirus program, make sure you install it. As an extra protection, use the CryptoPrevent.
Download CryptoPrevent from the link below.
www.foolishit.com/download/cryptoprevent/
Run it and follow the setup wizard. Once the installation is completed, you will be shown a window where you can select a level of protection, as shown in the following example.
Click the Apply button to activate the protection.
The End.
Your computer should now be free of the Purge virus infection. If you need help with the instructions, then ask for help here.
