Losers Ransomware

Also Known As: Losers virus
Distribution: Low
Damage level: Severe

Losers ransomware removal instructions

What is Losers?

First discovered by malware security researcher, Toffee, Losers is a new variant of ransomware-type viruses Nemesis and Cry36. Once infiltrated, Losers encrypts stored data and appends names of encrypted files with the ".losers" extension. Note that, in some cases, Losers is named Damoclis Gladius Ransomware and appends the ".damoclis" extension. Therefore, "sample.jpg" is renamed to either "sample.jpg.losers" or "sample.jpg.damoclis". After successfully encrypting files, Losers changes the desktop wallpaper and creates an HTML file ("HOWTODECRYPTFILES.html"), placing it in each folder containing encrypted files.

The HTML file contains a message informing victims of the encryption and encourages them to visit a Tor website to restore encrypted data. After visiting this site, users are encouraged to enter their personal ID, after which they are automatically connected to a live chat with developers of Losers. These people then demand a ransom payment in exchange for decryption. The cost is the equivalent of $500 in Bitcoins. It is currently unconfirmed which encryption algorithm (symmetric or asymmetric) Losers employs, however, in any case, decryption requires a unique key, which is stored on a remote server controlled by cyber criminals. Although you may be encouraged to pay, cyber criminals cannot be trusted. These people commonly ignore victims, once payments are submitted and there is a high probability that you will be scammed. You will lose your money and support cyber criminals' malicious businesses. For these reasons, we strongly advise you to ignore all requests to contact these people or pay any ransom. Unfortunately, there are currently no tools capable of restoring files encrypted by Losers - the only solution is to restore files/system from a backup.

Screenshot of a message encouraging users to pay a ransom to decrypt their compromised data:

Losers decrypt instructions

Research results show that all ransomware-type viruses are very similar. As with Losers, Crypto Tyrant, Bad Rabbit, Ordinal, Blind, and many others, also encrypt files and make ransom demands. Usually are just two major differences: 1) size of ransom, and; 2) type of encryption algorithm used. Unfortunately, most use algorithms (e.g., RSA, AES, etc.) that generate unique decryption keys. Therefore, unless the malware contains bugs/flaws (e.g., it stores the key locally or is hard-coded), file decryption manually, without involvement of developers (contacting these people is not recommended) is impossible. For these reasons, ransomware-type viruses such as Losers present a strong case for maintaining regular data backups. You data backups should be stored on an external (unplugged) drive or a remote server (e.g., Cloud).

How did ransomware infect my computer?

Cyber criminals proliferate ransomware-type viruses in various ways, however, the most popular five are: 1) fake software update tools; 2) trojans; 3) peer-to-peer [P2P] networks; 4) unofficial software download sources, and; 5) spam emails. Fake software updaters exploit outdated software bugs/flaws to infect the system. Trojans open "backdoors" allowing malware to infiltrate the system. P2P networks and other third party download sources (free file hosting websites, freeware download websites, torrents, eMule, etc.) often present malicious executable files as legitimate software, thereby tricking users into downloading and installing malware. Spam emails often contain malicious attachments (such as MS Office documents, JavaScript files, etc.) that, once opened, download and install malware. The main reasons for computer infections are careless behavior and lack of knowledge.

Threat Summary:
NameLosers virus
Threat TypeRansomware, Crypto Virus, Files locker
SymptomsCan't open files stored on your computer, previously functional files now have a different extension, for example my.docx.locked. A ransom demanding message is displayed on your desktop. Cyber criminals are asking to pay a ransom (usually in bitcoins) to unlock your files.
Distribution methodsInfected email attachments (macros), torrent websites, malicious ads.
DamageAll files are encrypted and cannot be opened without paying a ransom. Additional password stealing trojans and malware infections can be installed together with a ransomware infection.

To eliminate Losers virus our malware researchers recommend scanning your computer with Spyhunter.
▼ Download Spyhunter
Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Spyhunter.

How to protect yourself from ransomware infections?

To prevent ransomware infections, be very cautious when browsing the Internet. Keep installed applications up-to-date and use a legitimate anti-virus/anti-spyware suite. Note that third party updaters (and download/installation tools) often install malicious programs and, therefore, should not be used. Carefully study all steps (especially the "Custom/Advanced" settings) of the download/installation processes and decline offers to download/install additional programs. Never open files received from suspicious emails - delete these emails without reading. The key to computer safety is caution.

Text presented in Losers ransomware HTML file ("HOWTODECRYPTFILES.html"):

ALL YOUR WORK AND PERSONAL FILES HAVE BEEN ENCRYPTED Losers ransomware Ransomware To decrypt your files you need to buy the special software – «Losers decryptor» To recover data, follow the instructions! You can find out the details/ask questions in the e-mail:dd.coala@protonmail.com You can find out the details/ask questions in the chat:kuysqebjbttaxmq2.onion.to (not need Tor kuysqebjbttaxmq2.onion.cab (not need Tor) kuysqebjbttaxmq2.onion (need Tor) You can find out the details/ask questions in Bitmessage: bitmsg.me/ BM-2cTFScArDZfPNYbefeDn1RJL44NkvuVPrU If the resource is not available for a long time, install and use the Tor-browser: 1. Run your Internet-browser 2. Enter or copy the address hxxps://www.torproject.org/download/download-easy.html in the address bar of your browser and press key ENTER 3. On the site will be offered to download the Tor-browser, download and install it. Run. 4. Connect with the button "Connect" (if you use the English version) 5. After connection, the usual Tor-browser window will open 6. Enter or copy the address kuysqebjbttaxmq2.onion/ in the address bar of Tor-browser and press key ENTER 7. Wait for the site to load If you have any problems installing or using, please visit the video tutorial www.youtube.com/watch?v=gOgh3ABju6Q

Screenshot of Losers ransomware desktop wallpaper:

Losers wallpaper

Screenshot of live chat with cyber criminals responsible for creating Losers ransomware:

Losers ransomware live chat

Chat with cyber criminals:

[07:32:30 27-10-2017]@user hi, our files were encrypted, what should we do to get them back?
[07:32:56 27-10-2017]@support hello
[07:32:57 27-10-2017]@support wait
[07:36:15 27-10-2017]@user hello?
[07:37:40 27-10-2017]@support You have to pay for decryption files.

1. It is necessary to register here - hxxps://blockchain.info/wallet/new (is the creation of the purse)
2. Find any service that sells Bitcoin (cryptocurrency) and replenish your wallet. Query: buy bitcoin (in google) or from the list below.
3. Then I give my purse and you transfer the money to me.
4. hxxps://en.bitcoin.it/wiki/Help:FAQ (for newbies)

Choose any of the service:hxxp://www.bestchange.com/ recomemded

My Bitcoin wallet: "1JyXyxdxYQJEhBYSaNevNgemHp4NiyvdNQ"
Price: $ 500

Screenshot of files encrypted by Losers ransomware (".losers" extension):

Files encrypted by Losers

Losers ransomware removal:

Instant automatic removal of Losers virus: Manual threat removal might be a lengthy and complicated process that requires advanced computer skills. Spyhunter is a professional automatic malware removal tool that is recommended to get rid of Losers virus. Download it by clicking the button below:
▼ DOWNLOAD Spyhunter By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. Free scanner checks if your computer is infected. To remove malware, you have to purchase the full version of Spyhunter.

Quick menu:

Step 1

Windows XP and Windows 7 users: Start your computer in Safe Mode. Click Start, click Shut Down, click Restart, click OK. During your computer start process, press the F8 key on your keyboard multiple times until you see the Windows Advanced Option menu, and then select Safe Mode with Networking from the list.

Safe Mode with Networking

Video showing how to start Windows 7 in "Safe Mode with Networking":

Windows 8 users: Start Windows 8 is Safe Mode with Networking - Go to Windows 8 Start Screen, type Advanced, in the search results select Settings. Click Advanced startup options, in the opened "General PC Settings" window, select Advanced startup. Click the "Restart now" button. Your computer will now restart into the "Advanced Startup options menu". Click the "Troubleshoot" button, and then click the "Advanced options" button. In the advanced option screen, click "Startup settings". Click the "Restart" button. Your PC will restart into the Startup Settings screen. Press F5 to boot in Safe Mode with Networking.

Windows 8 Safe Mode with networking

Video showing how to start Windows 8 in "Safe Mode with Networking":

Windows 10 users: Click the Windows logo and select the Power icon. In the opened menu click "Restart" while holding "Shift" button on your keyboard. In the "choose an option" window click on the "Troubleshoot", next select "Advanced options". In the advanced options menu select "Startup Settings" and click on the "Restart" button. In the following window you should click the "F5" button on your keyboard. This will restart your operating system in safe mode with networking.

windows 10 safe mode with networking

Video showing how to start Windows 10 in "Safe Mode with Networking":

Step 2

Log in to the account infected with the Losers virus. Start your Internet browser and download a legitimate anti-spyware program. Update the anti-spyware software and start a full system scan. Remove all entries detected.

If you cannot start your computer in Safe Mode with Networking, try performing a System Restore.

Video showing how to remove ransomware virus using "Safe Mode with Command Prompt" and "System Restore":

1. During your computer start process, press the F8 key on your keyboard multiple times until the Windows Advanced Options menu appears, and then select Safe Mode with Command Prompt from the list and press ENTER.

Boot your computer in Safe Mode with Command Prompt

2. When Command Prompt mode loads, enter the following line: cd restore and press ENTER.

system restore using command prompt type cd restore

3. Next, type this line: rstrui.exe and press ENTER.

system restore using command prompt rstrui.exe

4. In the opened window, click "Next".

restore system files and settings

5. Select one of the available Restore Points and click "Next" (this will restore your computer system to an earlier time and date, prior to the Losers ransomware virus infiltrating your PC).

select a restore point

6. In the opened window, click "Yes".

run system restore

7. After restoring your computer to a previous date, download and scan your PC with recommended malware removal software to eliminate any remaining Losers ransomware files.

To restore individual files encrypted by this ransomware, try using Windows Previous Versions feature. This method is only effective if the System Restore function was enabled on an infected operating system. Note that some variants of Losers are known to remove Shadow Volume Copies of the files, so this method may not work on all computers.

To restore a file, right-click over it, go into Properties, and select the Previous Versions tab. If the relevant file has a Restore Point, select it and click the "Restore" button.

Restoring files encrypted by CryptoDefense

If you cannot start your computer in Safe Mode with Networking (or with Command Prompt), boot your computer using a rescue disk. Some variants of ransomware disable Safe Mode making its removal complicated. For this step, you require access to another computer.

To regain control of the files encrypted by Losers, you can also try using a program called Shadow Explorer. More information on how to use this program is available here.

shadow explorer screenshot

To protect your computer from file encryption ransomware such as this, use reputable antivirus and anti-spyware programs. As an extra protection method, you can use programs called HitmanPro.Alert and EasySync CryptoMonitor, which artificially implant group policy objects into the registry to block rogue programs such as Losers ransomware.

Note that Windows 10 Fall Creators Update includes the "Controlled Folder Access" feature that blocks ransomware attempts to encrypt your files. By default, this feature automatically protects files stored in Documents, Pictures, Videos, Music, Favorites as well as Desktop folders.

Controll Folder Access

Windows 10 users should install this update to protect their data from ransomware attacks. Here is more information on how to obtain this update and add an additional protection layer from ransomware infections.

HitmanPro.Alert CryptoGuard - detects encryption of files and neutralises any attempts without need for user-intervention:

hitmanproalert ransomware prevention application

Malwarebytes Anti-Ransomware Beta uses advanced proactive technology that monitors ransomware activity and terminates it immediately - before reaching users' files:

malwarebytes anti-ransomware

  • The best way to avoid damage from ransomware infections is to maintain regular up-to-date backups. More information on online backup solutions and data recovery software Here.

Other tools known to remove Losers ransomware:

About the author:

Tomas Meskauskas

Tomas Meskauskas - expert security researcher, professional malware analyst.

I am passionate about computer security and technology. I have an experience of over 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an author and editor for pcrisk.com since 2010. Follow me on Twitter and LinkedIn to stay informed about the latest online security threats. Contact Tomas Meskauskas.

PCrisk security portal is brought by a company RCS LT. Joined forces of security researchers help educate computer users about the latest online security threats. More information about the company RCS LT.

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Removal Instructions in other languages
Malware activity

Global virus and spyware activity level today:

Medium threat activity

Increased attack rate of infections detected within the last 24 hours.

QR Code
Losers virus QR code
A QR code (Quick Response Code) is a machine-readable code which stores URLs and other information. This code can be read using a camera on a smartphone or a tablet. Scan this QR code to have an easy access removal guide of Losers virus on your mobile device.
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Platform: Windows

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