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Users on security forums and system administrators have complained about new “Parisher” ransomware that attacks primarily archives amongst other files it encrypts. The virus aims to render all files no longer usable by encrypting them after which use those files to extort the user to contact the e-mail of the hacker – firstname.lastname@example.org. The virus drops a key file suggesting that this is the public key file used in notorious algorithms, such as RSA or AES ciphers. Not only this, but the virus drops it’s ransom note on encrypted servers in the form of weird 1NFORMATI1ONFOR.YOU file. Anyone who has been infected by Parisher Ransomware is strongly advised to immediately remove the virus and attempt alternative methods to restore the files such as the ones mentioned in this article.
|Short Description||The ransomware encrypts files with strong ciphers and asks a ransom for decryption.|
|Symptoms||Files are encrypted and become inaccessible. No extension is added. The virus may target primarily servers and their archives.|
|Distribution Method||Spam Emails, Email Attachments, File Sharing Networks.|
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|User Experience||Join our forum to Discuss Crysis Ransomware.|
|Data Recovery Tool||Stellar Phoenix Data Recovery Regular Version Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.|
|Data Recovery Tool||Windows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.|
Parisher Ransomware How Is It SpreadParisher Ransomware How Is It Spread
For Parisher ransomware virus to infect the maximum amount of users, the virus may utilize a sophisticated combination of tools and spreading methods. Believed to be a variant of the notorious Mobef ransomware, the Parisher virus is believed to be spread in two primary ways:
- Spam e-mail attachments being sent out to users and cause infection upon opening without being detected.
- URLs that are posted on social media and aim to cause redirects to malicious drive-by web links once they are opened.
Parisher Ransomware – More Information
As soon as this ransomware virus has infected users’ computer, it could start to create files that are malicious and conceal them via process obfuscators in different Windows folders. The files may be different file types:
→ .exe, .tmp, .dll, .cmd, .bat, .vbs
They may also be existing under different names, most commonly names resembling legitimate Windows programs such as “notepad.exe” or “svchost.exe”. The usually targeted folders for this are:
After having infected the user, Parisher may delete all of it’s shadow volume copies that create a file history via the vssadmin command:
After performing this, the Parisher virus may create a custom value string in the “Run” or “RunOnce” registry keys:
The objective of those value strings is to begin looking for several different file extensions, primarily associated with programs that are often used.
Once the virus has discovered those file extensions, it will begin to encode files. These files are then enciphered with the sole purpose to no longer be opened. Unlike Mobef Ransomware, on which this virus is most likely based on, the encrypted files by this virus are primarily archives, and they do not have any file extension appended to them.
After encryption, this ransomware drops a note on a file that is named “1NFORMAT1ONFOR.YOU”. The note has the following content:
Remove Parisher Ransomware and Restore Your Files
In case you are interested in removing Parisher completely from your computer, we have provided instructions below which will assist in the complete deletion of this virus. If you are inexperienced in doing so, it is strongly advisable to use an advanced anti-malware program that will ensure the successful removal of the virus from your computer.
Not only this, but Parisher ransomware’s files cannot be directly decrypted as well. This is why we have also suggested alternative file restoration methods which are not 100 percent guaranteed to succeed but could save you a great deal of time if you are successful. Also, make sure to perform a system backup before trying those methods.
- Guide 1: How to Remove Parisher from Windows.
- Guide 2: Get rid of Parisher from Mac OS X.
- Guide 3: Remove Parisher from Google Chrome.
- Guide 4: Erase Parisher from Mozilla Firefox.
- Guide 5: Uninstall Parisher from Microsoft Edge.
- Guide 6: Remove Parisher from Safari.
- Guide 7: Eliminate Parisher from Internet Explorer.
How to Remove Parisher from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove Parisher
Step 2: Uninstall Parisher and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it.
Step 3: Clean any registries, created by Parisher on your computer.
The usually targeted registries of Windows machines are the following:
You can access them by opening the Windows registry editor and deleting any values, created by Parisher there. This can happen by following the steps underneath:
Get rid of Parisher from Mac OS X.
Step 1: Uninstall Parisher and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove Parisher via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove Parisher files from your Mac
When you are facing problems on your Mac as a result of unwanted scripts and programs such as Parisher, the recommended way of eliminating the threat is by using an anti-malware program. SpyHunter for Mac offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Remove Parisher from Google Chrome.
Step 1: Start Google Chrome and open the drop menu
Step 2: Move the cursor over "Tools" and then from the extended menu choose "Extensions"
Step 3: From the opened "Extensions" menu locate the unwanted extension and click on its "Remove" button.
Step 4: After the extension is removed, restart Google Chrome by closing it from the red "X" button at the top right corner and start it again.
Erase Parisher from Mozilla Firefox.
Step 1: Start Mozilla Firefox. Open the menu window
Step 2: Select the "Add-ons" icon from the menu.
Step 3: Select the unwanted extension and click "Remove"
Step 4: After the extension is removed, restart Mozilla Firefox by closing it from the red "X" button at the top right corner and start it again.
Uninstall Parisher from Microsoft Edge.
Step 1: Start Edge browser.
Step 2: Open the drop menu by clicking on the icon at the top right corner.
Step 3: From the drop menu select "Extensions".
Step 4: Choose the suspected malicious extension you want to remove and then click on the gear icon.
Step 5: Remove the malicious extension by scrolling down and then clicking on Uninstall.
Remove Parisher from Safari.
Step 1: Start the Safari app.
Step 2: After hovering your mouse cursor to the top of the screen, click on the Safari text to open its drop down menu.
Step 3: From the menu, click on "Preferences".
Step 4: After that, select the 'Extensions' Tab.
Step 5: Click once on the extension you want to remove.
Step 6: Click 'Uninstall'.
A pop-up window will appear asking for confirmation to uninstall the extension. Select 'Uninstall' again, and the Parisher will be removed.
Eliminate Parisher from Internet Explorer.
Step 1: Start Internet Explorer.
Step 2: Click on the gear icon labeled 'Tools' to open the drop menu and select 'Manage Add-ons'
Step 3: In the 'Manage Add-ons' window.
Step 4: Select the extension you want to remove and then click 'Disable'. A pop-up window will appear to inform you that you are about to disable the selected extension, and some more add-ons might be disabled as well. Leave all the boxes checked, and click 'Disable'.
Step 5: After the unwanted extension has been removed, restart Internet Explorer by closing it from the red 'X' button located at the top right corner and start it again.