How to remove Pumax virus and restore encrypted files

That article is about ransomware virus called Pumax that penetrates computers around the world, and corrupts the data. Here we have compiled complete info about Pumax's essence, and how to eliminate Pumax from the computer. Except that, we will explain how to get back the cyphered data, if possible.

Puma ransomware virus

Pumax is the undesired program getting into the computer mostly through Trojans and phishing e-mails. Sometimes web-criminals use zero-day vulnerabilities to penetrate the PC, but well-known software vendors promptly fix them. It installs bitcoin miner trojan exept of ransomware and give e-mail for connection on india.com domain. After the infection, ransomware reviews the PC memory, defines the quantity of folders to be cyphered and their general worth. At the moment, each modern ransomware can cypher video, audio, text and image files in all known formats. Extra attention is attracted to businesslike information, since medium and large companies are the main target for fraudsters. All software on computer will be unaffected since scammers are interested only in information. Encryption is executed through well-known encryption algorithms, and it is so complex that that decipherment of information without a key is impossible. Such complexity gives foundation for unbelievable effectuality of this kind of viruses in recent years: common PC operator, even having a very high experience in suchlike things, will never be able to restore the files, and will have no choice except paying to scammers. The single way to recover files is to find the fraud site and retrieve the master key. Sometimes it is possible to obtain the keys through defects in viruses’ program code.

The computer knowledge is highly important in our century, as it assists customer to guard the system from computer viruses. For ransomware this is most relevant, since, in contradistinction to most viruses, after deleting ransomware from the computer, the fruits of its doings do not vanish anywhere. To shield yourself, you must remember a few elementary regulations:

  • Keep an eye on the condition of your system. Information encrypting is a complicated operation that uses many PC resources. If you see an abnormal decline in laptop capacity or see a suspicious process in the Process Manager, you need to shut down the machine, boot it in safe mode, and scan for threats. This, if the system is really infected, will protect a lot of your data.
  • Do not accept any alterations to the system, coming from weird software. The easiest way of data restoration is the recovery via Shadow Copies, and scammers have included the elimination of shadow copies into the default features of ransomware. The deleting of shadow copies needs administrator rights and your acceptance. The moment of thought before confirming the changes might save your files and your money.
  • Closely examine your emails, particularly the messages which have files attached to them. If the message comes from an unknown address and it tells about earning some prize, a lost package or anything like that, this could be a fraud letter. The other popular kind of scam messages is a forgery for business correspondence. It is normal to take an interest and open the e-mail even if it's sent to the improper address, but remember that one click on the attached file might cost you lots of money, efforts and time.

We draw your attention to the fact that the elimination of the virus is only the first and compulsory turn for the regular operation of the laptop. If you uninstall Pumax, you will not return the data immediately, it will demand additional measures written down in the "How to restore encrypted files" part. To deelete the ransomware, you have to load the system in safe mode and check it via AV-tool. We do not advise trying to delete Pumax manually, since it has many defensive mechanics that will interfere you. The most effective viral defensive technique is the deletion of data in event of data recovery or Pumax deletion attempt. This is extremely undesirable, and the below part will assist you to avoid it.

Removal instruction

Step 1. Boot into Safe mode

Safe mode

Start -> Msconfig.exe

Safe mode. Step 1

On the tab Boot select Safe boot

Safe mode. Step 2

Step 2. Check Startup folder

Start -> Msconfig.exe ->Disable unknown programs in the Startup tab

Startup

Step 3. Check hosts file

Modify hosts file, that located in C:\Windows\System32\drivers\etc\ .

Hosts file.Step 1

Open the file with Notepad and delete suspicious strings.

Hosts file.Step 2

It has to look like this:

Hosts file.Step 3

Step 4. Scan the system with antiviral scanner

Antivirus scanner

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Detects viruses fully: all files and even registry keys of malware will be found

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Step 5. Disable Safe mode

Start -> Msconfig.exe ->Disable Safe boot in the Boot tab

Deactivate Safe mode

After deleting the malware from the system, it only remains to decrypt the corrupted information. We won't try to decypher the data, but we'll restore them using Windows functionality and the special programs. Generally, to get back the information, the customer has to seek support on anti-malware communities or from renowned virus researchers and antiviral software manufacturers. If you're more interested in the independent file recovery - read our item, which describes all the safest manners.

To restore information, follow the article about files decryption.

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