Remove OptimalSync

Is this a serious ransomware

OptimalSync will effect your device in a very bad way as it will lead to data encryption. Ransomware is classified as a high-level infection, which could lead to highly serious consequences. As soon as it is launched, it’ll start scanning for and locking certain files. Victims often find that photos, videos and documents will be targeted because of their value to users. You’ll need to get a decryption key to decrypt files but unfortunately, the hackers who encrypted your files have it. If the ransomware is decryptable, researchers specializing in malicious software may be able to develop a free decryption program. We can’t be sure a decryptor will be created but that may be your only option if backup isn’t a choice for you.

A ransom note will be put on your device after the malware finishes the encryption process. If it’s yet to be clear, the note will clarify what happened to your files, and offer a decryption application for a price. While we cannot force you to do anything as it is your files we’re talking about but we would not advise paying for a decryptor. Often, crooks take the money but do not send a decryption tool. Bear in mind that there is nothing preventing them from doing so. Maybe investing into backup would be a better decision. If you have made backup, just delete OptimalSync and proceed to file recovery.

A very likely way you got the ransomware was that is how it gained access into your device. Those two methods are the cause of a lot ransomware contaminations.

Ransomware distribution ways

We think that you fell for a false update or opened a file attached to a spam email, and that’s how the ransomware got in. Because of how common spam campaigns are, you need to learn what malicious spam look like. Do not blindly open all attachments that end up in your inbox, you first have to make sure it is secure. Malware distributors oftentimes pretend to be from notable companies to establish trust and make users lower their guard. Amazon could be displayed as the sender, for example, and that the reason they are emailing you is because weird behavior was noticed on the account or that a purchase was made. If the sender is who they say they are, it will be pretty easy to check. You simply have to check if the email address matches any that belong to the company. You are also advised to scan the added file with a malicious software scanner to ensure that it won’t cause harm to your system.

If you’re certain spam email is not how you got it, bogus programs updates might be the cause. The fake update offers typically pop up on dubious sites. In certain cases, when the fake update offers appear in ad or banner form, they look legitimate. However, for those who knows that real updates are never suggested this way, such bogus notifications will be obvious. Since downloading anything from such fake alerts is asking for trouble, be cautious to never download anything from such dubious sources. When your application requires to be updated, either the software in question will notify you, or it’ll update itself without your interference.

How does this malware behave

It’s probably unnecessary to clarify that your files have been encrypted. File encrypting probably happened without you noticing, right after the infected file was opened. A specific file extension will indicate files that have been locked. Because a powerful encryption algorithm was used to encrypt files, don’t waste your time attempting to open files. The ransom note, which could be found either on your desktop or in folders containing encrypted files, should explain what happened to your files and how you could recover them. Ordinarily, ransom notes follow the same design, they first say your files have been locked, ask for money and then threaten you with deleting files permanently if a payment isn’t made. It is possible that crooks behind this ransomware have the sole decryptor but despite that, it isn’t recommended to give into the requests. What guarantee is there that you’ll be sent a decryptor after you make a payment. The same criminals may target you again because they might believe if you’ve paid once, you might pay again.

Instead of paying, check your storage devices and online accounts to see if your files are being kept somewhere but you have simply forgotten. Our recommendation would be to store all of your locked files somewhere, for when or if specialists specializing in malware release a free decryptor. Whatever the case might be, it is still necessary to delete OptimalSync.

Whether you recover your files or not, you have to start backing up your files regularly from now on. There is always a risk that you could lose your files, so having backup is critical. Backup prices vary depending in which form of backup you opt for, but the purchase is definitely worth it if you have files you do not want to lose.

Ways to uninstall OptimalSync

Unless you actually know what you’re doing, manual elimination isn’t for you. You need to get anti-malware program for safe ransomware removal. If anti-malware program cannot be run, reboot your system in Safe Mode. You should be able to successfully remove OptimalSync when malware removal program is launched in Safe Mode. We ought to note that anti-malware program cannot help decrypt locked files, it simply gets rid the malware.

Download Removal Toolto remove OptimalSync

* WiperSoft scanner, published on this site, is intended to be used only as a detection tool. More info on WiperSoft. To use the removal functionality, you will need to purchase the full version of WiperSoft. If you wish to uninstall WiperSoft, click here.

Learn how to remove OptimalSync from your computer

Step 1. Remove OptimalSync using Safe Mode with Networking

1.1) Reboot your computer with Safe Mode with Networking.

Windows 7/Vista/XP
1. Start → Shutdown → Restart → OK. 2. When the restart occurs, press F8. Keep pressing until you see the Advanced Boot Options window appear. winxp-safemode Remove OptimalSync 3. Pick Safe Mode with Networking.
Windows 8/10
1. On the Windows login screen, press the Power button. Press and hold the Shift key. Click Restart. 2. Troubleshoot → Advanced options → Startup Settings → Restart. win10-safemode Remove OptimalSync 3. Select Enable Safe Mode with Networking.

1.2) Remove OptimalSync.

Once the computer is launched in Safe Mode, open your browser and download anti-malware software of your preference. Scan your computer so that the anti-malware can locate the malicious files. Allow it to delete them. If you are unable to access Safe Mode with Networking, proceed to the instructions below.

Step 2. Remove OptimalSync using System Restore

2.1) Reboot your computer with Safe Mode with Command Prompt.

Windows 7/Vista/XP
1. Start → Shutdown → Restart → OK. 2. When the restart occurs, press F8. Keep pressing until you see the Advanced Boot Options window appear. winxp-safemode Remove OptimalSync 3. Pick Safe Mode with Command Prompt.
Windows 8/10
1. On the Windows login screen, press the Power button. Press and hold the Shift key. Click Restart. 2. Troubleshoot → Advanced options → Startup Settings → Restart. win10-safemode2 Remove OptimalSync 3. Select Enable Safe Mode with Command Prompt.

2.2) Restore system files and settings.

1. Enter cd restore when the Command Prompt window appears. Press Enter. 2. Type rstrui.exe and press Enter. 3. When the System Restore Window pop-ups, click Next. 4. Select the restore point and click Next. windows-system-restore Remove OptimalSync 5. Click Yes on the warning window that appears. When the system restore is complete, it is recommended that you obtain anti-malware software and scan your computer for the ransomware just to be sure that it is gone.

Step 3. Recover your data

If the ransomware has encrypted your files and you did not have backup prior to the infection, some of the below provided methods might be able to help you recover them.

3.1) Using Data Recovery Pro to recover files

  1. Download the program from a reliable source and install it.
  2. Run the program and scan your computer for recoverable files. datarecoverypro Remove OptimalSync
  3. Restore them.

3.2) Restore files via Windows Previous Versions feature

If you had System Restore feature enabled on your system, you should be able to recover the files via Windows Previous Versions feature.
  1. Right-click on an encrypted file that you want to restore.
  2. Properties → Previous Versions Windows-previous-version Remove OptimalSync
  3. Select the version of the file you want to recover and click Restore.

3.3) Shadow Explorer to decrypt files

Your operating system automatically creates shadow copies of your files in case of a crash but some ransomware manages to delete them. Nevertheless, it is still worth a try.
  1. Download Shadow Explorer. Preferably from the official website (, install and open the program.
  2. On the top left corner there will be a drop menu. Search for the disk that contains the encrypted files. shadow-explorer Remove OptimalSync
  3. If you do find some folders, right-click on them and select Export.

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