What is TROLL ransomware? And how does it implement its attack?
TROLL ransomware is a dangerous file-encrypting virus designed to corrupt valuable data in an infected computer. It marks the files it encrypts with a “.TROLL” extension and ask users to pay a ransom and contacting the [email protected] email address.
Once this ransomware’s malicious payload is running in the computer, it initiates a sequence of malicious tasks to start its attack. One of the first things it does is to connect to its Command and Control server to send information about the infected system and download additional malicious components. Aside from that, TROLL ransomware also creates new files in some of the important Windows system folders and proceeds to activate its malicious processes. It then starts to look for files to target, especially the ones who are generated by the user like documents, images, videos, audio files, database, and many more. These files are encrypted using a sophisticated encryption algorithm. After the encryption, it adds the “.TROLL” extension to every affected file and releases a text file named “HOW TO BACK YOUR FILES.txt” which states:
“YOUR FILES ARE ENCRYPTED !!!
TO DECRYPT, FOLLOW THE INSTRUCTIONS:
To recover data you need decrypt tool.
To get the decrypt tool you should:
1.In the letter include your personal ID! Send me this ID in your first email to me!
2.We can give you free test for decrypt few files (NOT VALUE) and assign the price for decryption all files!
3.After we send you instruction how to pay for decrypt tool and after payment you will receive a decryption tool!
4.We can decrypt few files in quality the evidence that we have the decoder.
DO NOT TRY TO DO SOMETHING WITH YOUR FILES BY YOURSELF YOU WILL BRAKE YOUR DATA !!! ONLY WE ARE CAN HELP YOU! CONTACT US:
ATTENTION !!! THIS IS YOUR PERSONAL ID WICH YOU HAVE TO SEND IN FIRST LETTER:
V9 qD yr Jy KR Ye Db 8b bL k6 tW UU w9 hY v0 Qy
[REDACTED] xx k1 pe ss gG A=”
How is the malicious payload of TROLL ransomware disseminated online?
Malicious spam email campaign is TROLL ransomware’s chosen distribution method to proliferate. Usually, cyber crooks sends thousands of spam emails containing malicious attachment. These kinds of emails are usually disguised as something important or something that would definitely catch users’ attention and pique their curiosity so that they’ll open the email and download its attachment which is why you should be wary of any suspicious-looking emails no matter who sent them and keep your antivirus program and your system updated at all times.
Obliterate TROLL ransomware from your infected computer with the help of the following removal guide.
Step 1: First, tap the Ctrl + Shift + Esc keys in your keyboard to open the Task Manager.
Step 2: After opening the Task Manager, go to the Processes tab and look for any suspicious-looking processes that takes up most of your CPU’s resources and is most likely related to TROLL 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 TROLL 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 TROLL ransomware’s malicious components such as HOW TO BACK YOUR FILES.txt, [random].exe and other suspicious files, then delete all of them.
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 [product-name], 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\
Step 11: Delete the registry keys and sub-keys created by TROLL 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 TROLL 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 TROLL ransomware by using a trusted and reliable program like [product-name]. Refer to the following guidelines on how to use it.
Perform a full system scan using [product-code]. To do so, follow these steps:
- Turn on your computer. If it’s already on, you have to reboot it.
- 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.
- To navigate the Advanced Option use the arrow keys and select Safe Mode with Networking then hit
- Windows will now load the Safe Mode with Networking.
- Press and hold both R key and Windows key.
- If done correctly, the Windows Run Box will show up.
- Type in the URL address, [product-url] in the Run dialog box and then tap Enter or click OK.
- After that, it will download the program. Wait for the download to finish and then open the launcher to install the program.
- Once the installation process is completed, run [product-code] to perform a full system scan.
- After the scan is completed click the “Fix, Clean & Optimize Now” button.