How to Wipe Out Mercury Ransomware (Crypto-Malware/Ransomware)

Jan 9th 2019 - by Fix My PC FREE in: Easy PC Repair Fix PC Free News PC Protection News Virus Removal | 0 Comment

ATTENTION, PLEASE!

Malware may reinstall itself multiple times if you don't delete its core files. This may require tracking down dozens of files in different locations.

We recommend downloading Advanced System Repair to eradicate Malware for you (it should cut down the time to about 15 minutes).

>> Download Advanced System Repair <<

What is Mercury ransomware? And how does it carry out its attack?

Mercury ransomware is a crypto-virus that restricts users’ access to data by encrypting them. Like other crypto-virus, it extorts money from its victims by asking them for a ransom in the form of crypto-currencies like Bitcoins in exchange for file recovery. According to security experts, Mercury ransomware uses a combination of AES 265 and RSA encryption algorithms in locking important files in a targeted computer.

Mercury ransomware beings its attack by dropping its malicious executable file in either the %AppData%” or %LocalAppData%” folders. From either these folders, Mercury ransomware will also create a file with a random name and will be used later on. It then establishes a connection to a Command and Control remote server where it downloads some of its components and puts them into system folders. After dropping its malicious components, Mercury ransomware will use them to control system processes as well as use them for the data gathering and stealth protection modules. In these modules, Mercury ransomware will collect data in the system and process them for the second module where it scans the system in search for security programs and antivirus programs that could interfere with its attack. It also alters some entries in the Windows Registry allowing it to run automatically whenever users turn on their computers. After the system modifications are completed, it starts the encryption using both AES and RSA ciphers in locking its targeted data. Following data encryption, it appends the .Mercury extension to every encrypted file and drops a file named “READ_IT!!!.txt” which contains the following content:

“!!! ATTENTION, YOUR FILES WERE ENCRYPTED !!!

Please follow few steps below:

1.Send us your ID.

2.We can decrypt 1 file what would you make sure that we have decription tool!

3.Then you’ll get payment instruction and after payment you will get your decryption tool!

Do not try to rename files!!! Only we can decrypt all your data!

Contact us:

getmydata@india.com

mydataback@aol.com

Your ID:[redacted 64 uppercase hex]:[redacted 64 uppercase hex with dashes]

[redacted 64 uppercase hex with dashes]:[redacted 64 uppercase hex with dashes]”

If you are one of the unlucky victims of Mercury ransomware, you must not, in any way, contact these crooks and settle the ransom since doing so won’t guarantee the recovery of your files. The best thing you can do is to wipe it out of your computer right away and then try out alternative ways to recover your affected files.

How is the malicious payload of Mercury ransomware distributed over the web?

The malicious payload of Mercury ransomware is distributed using malicious spam email campaign where cyber criminals attach malware-infested file. This file may be disguised as an invoice, receipt, bank statement, etc. Thus, you need to beware of these antics used by cyber criminals to infect your computer with cyber threats like Mercury ransomware.

Wipe out Mercury ransomware from your computer using the removal guide provided below as well as the advanced removal steps that follow.

Step 1: First, tap the Ctrl + Shift + Esc keys in your keyboard to open the Task Manager.

Step 2: Under the Task Manager, go to the Processes tab and look for a process named “Cossy.exe” as well as any suspicious-looking process that takes up most of your CPU’s resources and is most likely related to Mercury ransomware.

Step 3: After that, close the Task Manager.

Step 4: Tap Win + R, type in appwiz.cpl and click OK or tap Enter to open Programs and Features under Control Panel.

Step 5: Under the list of installed programs, look for Mercury ransomware or anything similar and then uninstall it.

Step 6: Next, close Control Panel and tap Win + E keys to launch File Explorer.

Step 7: Navigate to the following locations below and look for Mercury ransomware’s malicious components such as READ_IT!!!.txt , [random].exe and other suspicious files, then delete all of them.

  • %TEMP%
  • %WINDIR%\System32\Tasks
  • %APPDATA%\Microsoft\Windows\Templates\
  • %USERPROFILE%\Downloads
  • %USERPROFILE%\Desktop

 

Step 8: Close the File Explorer.

Before you proceed to the next steps below, make sure that you are tech savvy enough to the point where you know exactly how to use and navigate your computer’s Registry. Keep in mind that any changes you make will highly impact your computer. To save you the trouble and time, you can just use Advanced System Repair, this system tool is proven to be safe and excellent enough that hackers won’t be able to hack into it. But if you can manage Windows Registry well, then by all means go on to the next steps.

Step 9: Tap Win + R to open Run and then type in regedit in the field and tap enter to pull up Windows Registry.

Step 10: Navigate to the following path:

  • HKEY_CURRENT_USER\Control Panel\Desktop\
  • HKEY_USERS\.DEFAULT\Control Panel\Desktop\
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

 Step 11: Delete the registry keys and sub-keys created by Mercury ransomware.

Step 12: Close the Registry Editor and empty the Recycle Bin.

Try to recover your encrypted files using the Shadow Volume copies

Restoring your encrypted files using Windows’ Previous Versions feature will only be effective if Mercury ransomware hasn’t deleted the shadow copies of your files. But still, this is one of the best and free methods there is, so it’s definitely worth a shot.

To restore the encrypted file, right-click on it and select Properties, a new window will pop-up, then proceed to Previous Versions. It will load the file’s previous version before it was modified. After it loads, select any of the previous versions displayed on the list like the one in the illustration below. And then click the Restore button.

Complete the removal process of Mercury ransomware by using a trusted and reliable program like Advanced System Repair. Refer to the following guidelines on how to use it.

Perform a full system scan using asr. To do so, follow these steps:

  1. Turn on your computer. If it’s already on, you have to reboot it.
  2. After that, the BIOS screen will be displayed, but if Windows pops up instead, reboot your computer and try again. Once you’re on the BIOS screen, repeat pressing F8, by doing so the Advanced Option shows up.
    1. To navigate the Advanced Option use the arrow keys and select Safe Mode with Networking then hit
    2. Windows will now load the Safe Mode with Networking.
    3. Press and hold both R key and Windows key.

    1. If done correctly, the Windows Run Box will show up.
    2. Type in the URL address, https://www.fixmypcfree.com/download.php?asr in the Run dialog box and then tap Enter or click OK.
    3. After that, it will download the program. Wait for the download to finish and then open the launcher to install the program.
    4. Once the installation process is completed, run asr to perform a full system scan.

    1. After the scan is completed click the “Fix, Clean & Optimize Now” button.

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