Extract the.zip file to a folder on your desktop. If you downloaded it on a machine other than the one hit by WannaCry, move the file to a USB drive and run it on the infected computer from the. The WannaCry outbreak got started by infecting a small number of vulnerable machines. The WannaCry ransomware attack was a May 2017 worldwide cyberattack by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. It propagated through EternalBlue, an exploit discovered by the United States National Security Agency (NSA) for older Windows systems. The WannaCry (or WannaCrypt) ransomware hack that impacted businesses worldwide was most successful on Windows 7 computers. It was believed that computers running older systems were most vulnerable to the ransomware attack. That turned attention to systems like Windows XP and Vista, still in use on a large number of computers today. If you are running an older Windows system — Windows 2000, Vista, XP, Windows 2003, Windows 2008, or Windows 7 — you can go here to install the patches and keep your system safe.

Recent years, the ransomware WannaCry (also called WannaCrypt, WanaCrypt0r and WanaDeCrypt0r) has infected more than 1,600 million computers around the world. Its variations may be more threatening. Everyone should take actions against ransomware virus now. If yourcomputer is infected, do not panic. You can follow this ransomware removal guide to removeit in Windows 7/XP/Vista.

About Ransomware Virus

Ransomware is a type of malware that takes control of your computer and demands money(usually in bitcoins). There are two types of ransomware, one is encryption ransomware likeWannaCry, the other is lockscreen ransomware that locks up your full-screen to prevent youusing your computer and files like Petya.

If you can’t remove ransomware virus after infected, or cannot recover locked or encryptedfiles. Here come the solutions.

What Should You Do after Infected?

If you see the alert “Oops, yourfiles have been encrypted” and ask you to pay 300 dollar worth bitcoins to decrypt thefiles, then your computer is infected with WannaCry virus.

Follow the below steps to remove ransomware virus and restore files.

1. You should immediately disconnect from the internet in case the virus spreads to anothercomputer within your network.

2. Block port 445. because WannaCry virus infects the computer via TCPport 445 which opened by the system by default, so does to Petya variant virus.

3. Remove virus manually.

4. If you have created backups of your files and system, you can directly restore to anearlier state where there is no virus.

How to remove encryption ransomware like WannaCrypt?

After disconnected internet and block port 445, please remove Ransomware virus withfollows:

Remove virus manually

If you are familiar with Windows settings and configurations, you can manually delete thevirus. You can check Task Manager, Windows Startup configuration, and Registry if there isany suspicious process or strings. If you find one, disable it and delete the files.

Then type %AppData%, %LocalAppData%,%ProgramData%, %WinDir% individually in the Windows Startsearch box, it will open a folder in File Explorer and then delete the recently createdfiles. Then type “%Temp%”, and then delete everything from that folder.

You can also use security tool Microsoft SafetyScanner to perform a full scan and help you remove the ransomware virus. However, itdoes not provide real-time virus protection. If your computer is running Windows 7, you candownload MicrosoftSecurity Essentials to guard your PC against viruses and malware. In Windows10/8/8.1, built-in safety tool Windows Defender can help you do that.

If you can’t remove virus manually, you could try to use the professional ransomwaredecryptor tool to decrypt the encryption files, like Kaspersky, Phobos ransomware decryptor,Gandcrab ransomware decryption tool, etc.

Restore system and files from the previous backup

If you create backups before for your files and system, you could restore files easily:

1. At PC startup, press F8 repeatedly to enter Advanced BootMenu.

2. Select Repair Your Computer and press Enter.

3. You may need to log on with your Windows account, and then click SystemRestore.

If you have Windows installation disc or system repair disc, you can also boot your computerfrom it to use recovery options.

If you have no backups, you should create a backup now and then try to remove the virus incase that variations of WannaCry delete all your encrypted files. The decryption tool isprobably in the way. Once it is out, you can have you files back.

Backup your files in PE mode

If you did not create backups before, please backup files in Windows PE environment.

To backup files without the virus running, you should perform the backup under Windows PEmode. The backup image has to have a special format which is not in the ransomware targetlist. Therefore, we recommend you AOMEIBackupper Free for ransomware WannaCry.

Backup files with AOMEI Backupper Free

1. Download this free backup software and run it. Connect a USB flash drive or CD/DVD.

2. Click CreateBootable Media and then create a bootable disk as instructed.

3. Restart your computer. When you see the computer logo, press a specific key repeatedly tobring out Boot Menu and set it to boot from the boot media.

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4. When it fully loads AOMEI Backupper, click Backup and then select “FileBackup” to backup your files. You can also select PartitionBackup to backup one or more partitions.

5. Click Add File or Add Folder to include the items youwant to backup.

6. Click Step 2 to specify the target location to receive the backup image.

7. Click Start Backup to start this backup.

How to remove lockscreen ransomware like Petya

Lockscreen ransomware blocks you from accessing Windows and any files in it. If RansomwarePetya infects your computer, about an hour it will reboot your computer and start to encryptfiles. During the reboot, you should shut down your PC to prevent files being encrypted. Ifyou miss that chance to shut down your computer, then you can run anti-virus software inSafe Mode.

1. Use a working computer to download anti-virus software like Microsoft Safety Scanner on aUSB flash drive or CD.

2. Connect it to your computer that is infected.

3. At computer startup, press F8 to enter Advanced BootMenu. Then select Windows Safe Mode.

4. In safe mode, open the security tool to scan your PC and then remove the ransomwarevirus.

Once again, if you have created backups beforehand, you can restore your PC to earlier dateto remove the virus and get control of your PC.

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How to Prevent Ransomware in theFuture?

Ransomware should not be able to touch your PC if it is running a fully updated copy ofWindows, including WannaCry, the largest cyber attack in history. Therefore, you should:

1. Download and install the Windows patch MS17-010.

2. Update Windows to the latest version.

3. If you do not or cannot update Windows, you can disable 445 port and turn off SMBfeature.

4. Always enable the firewall and update anti-virus software.

5. Backup your computer on a regular basis.

After you remove ransomware virus fully, you should create a backup of your system and files.Although backup may seem an old routine, it is the most effective defense against ransomwareor any other unexpected issues.

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