How to remove Losers virus and restore encrypted files

"Losers ransomware" penetrated thousands of laptops in many countries through basic way: false messages with viral attachments and fake game crackers. In addition, fraudsters use exploits to penetrate the system, but big program companies quickly correct them. When infection takes place, virus starts to cypher audio, video, image and text info in all popular formats. Extra attention is attracted to business information, because medium and large companies are the main target for scammers. All programs on PC will be safe since scammers are interested only in information. The process is made via world-known encryption algorithms: AES and RSA, and its intricacy is so above the average level that it cannot be brute forced. Such complexity is the root for such an incredible success of this type of viruses in recent years: an ordinary customer, even if he has a high experience in suchlike things, will not ever recover the data, and will have no way out except paying the ransom. The only method to restore the information is to crack the fraudster's website and withdraw the encryption keys. Sometimes it is possible to retrieve encryption keys through faults in the code of the virus itself. The corrupted files get .Loser or Losers extension.


Losers ransomware


The computer knowledge is very significant in modern world, because it assists customer to guard the PC from computer viruses. It is sad to say, but most people see the significance of PC literacy only when ransomware penetrates their machines. To shield your workstation, you need to remember these three basic rules:


    • Be careful with the e-mails which contain files. The very popular pattern of fraud messages is the story about prize winning or recieved package. You also should be attentive with business-related letters, especially if you don't know the sender and not sure what's inside. reports, Bills for services or goods, summaries, lawsuits and suchlike important files cannot come accidentally, and the addressee should know the sender. Otherwise, it is a scam.
    • Do not ignore the signs that your workstation shows. File encrypting is a intricate operation that consumes a lot of computer resources. In few seconds of infection, the machine slows down, and the encryption process is visible in Process Manager. You may recognize this event and switch off the system before information will be fully encoded. This will protect some of your files.
    • Take notice to the dialog boxes. If the machine is infected by malware, it will attempt to delete the shadow copies of your data, to make the decryption impossible. However removal of copies requires administrator rights and confirmation from the user. So, not confirming changes from a weird software at the right time, you will save the way to restore all encrypted files free of charge.


You should understand that deleting Losers is just a first step, which is obligatory for the safe operation of the machine. To recover the data you should read the instructions in the special chapter of this article. To delete Losers virus, you need to boot the PC at safe mode and run the scanning through AV-tool. We do not recommend you to eliminate the virus by hand, because it has different protection mechanics, which could counteract you: it can delete your files fully. To avoid this, follow the advices under this paragraph.


Removal instruction

If you are MAC user, follow this guide: how to decrypt files on MAC.




Step 1. Boot the system into safe mode

  • Press Start
  • Type Msconfig and press Enter

Safe mode. Step 1


  • Select Boot tab

Safe mode. Step 2



  • Select Safe boot and press Ok

More information about Safe mode: What is Safe Mode and how to boot computer in Safe Mode


Step 2. Show all hidden files and folders

  • Press Start
  • Click on Control Panel

Show hidden files. Step 1


  • Select Appearance and Personalization

Show hidden files. Step 2


  • Click on Folder Options
  • Select View tab
  • Select Show hidden files, folders and drives

Show hidden files. Step 3


  • Press Ok


Step 3. Remove virus files


Check next folders to find suspicious files:

  • %TEMP%
  • %ProgramData%


Step 4. Fix hosts file

  • Go to %SystemRoot%\System32\drivers\etc\ folder



  • Open hosts file using Notepad or other text editor
  • Delete suspicious elements
  • Basic hosts file looks like this:



Step 5. Clean registry (for experienced users)

  • Click Start
  • Type Regedit.exe and press Enter
  • Clean startup registry keys
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunServices
  • HKEY_LOCAL_MACHINE(HKEY_CURRENT_USER)\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit

Step 6. Scan computer with antivirus


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Step 7. Disable Safe Mode and restart computer

  • Press Start
  • Type Msconfig and press Enter
  • Select Boot tab
  • Remove the check near Safe boot

How to restore files

After eliminating the malware from the system, you just need to recover the corrupted information. We're not able to reverse the encryption, but we'll get them back via Windows features and the particular programs. There are the lucky exceptions, but generally data recovery takes a lot of time and efforts. If you choose the manual file recovery - read this item, which shows all the easiest methods. Then, programs that can restore files are Shadow Explorer and Recuwa. Download one of them from the official web site and launch it. Interface is simple, so, you can use it without any troubles. The second way is to restore information from backup. Follow our instruction below:

  • Click Start
  • Click Control Panel

Decrypt files. Step 1


  • Click System and Security

Decrypt files. Step 2


  • Select Backup and Restore

Decrypt files. Step 3


  • Select Restore files from backup
  • Select checkpoint to restore
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