BTCWare Ransomware is a newly discovered file encrypting threat which is considered to be an updated version of infamous Crptxxx ransomware. The intention of its developer is very clear, restrict user from accessing files and extort large amount of money from them. The threat got its name because of the file extension which it use to append in the encrypted files. Being a crypto virus, it suddenly appear in the targeted computer and modify several settings to make it more affective. First it scan the available drive on the system and encrypt the files using a strong encryption algorithm. Remember, this encoder is capable of encrypting large number of file types. Once your file get locked then there direct decryption is almost impossible. You can recover the files only with the help of unique decryption key which is stored by the cyber criminals.
Encryption process of BTCWare Ransomware
The encryption process of BTCWare Ransomware is also identical to the Crptxxx ransomware. Like its predecessor it also apply the AES encryption algorithm to make the file inaccessible. Researcher also report that the very ransomware use Cipher block chaining mode. This mean it will break the files if user try to decode them with the help of third party decryptor. Beside that it is also known for deleting the shadow and backup copies of files from the compromised system with the help of “vssadmin” command. After completion of encryption process, it add .btcware file extension to each of the encoded file and convert them into white icon. Here is a snap of the encrypted files:
Malicious activity of BTCWare Ransomware
Once, BTCWare Ransomware is activated on your system then it will execute several malicious activities. It connect the system with a remote host and drop several kind of malicious files on it. Biznet.exe is one among the dropped executable file which is stored in the %AppData% folder. Beside that it also drop other malicious files which is located in the following Windows folder.
After accomplishing its encryption process, BTCWare Ransomware drops a ransom note which is named as _HOW_TO_FIX_!.hta. By dropping this ransom note, criminals make the user know what happens with their file and how they can get back their files. Its ransom note contain the following message:
If user visit the web-page as instructed in the ransom note, then they will get the following message along with a Bitcoin wallet of the cyber criminals:
How BTCWare Ransomware infect my PC?
Similar to other file encrypting program, BTCWare Ransomware is also distributed via different method. One of the most used way of spreading this threat is spam email campaign. Through this way hacker send an email to the targeted user. The email is so well designed that it look like a legitimate document which is send by some reputable company or organization. Bear in mind that the document attached with the email contain executable file which activate the ransomware in your system.
Removing BTCWare Ransomware
Before you restore your encrypted files, it is recommended to remove BTCWare Ransomware. Because if it present in your system, it keep causing issue. In order to remove the malware manually from your system, use the following steps.
Step 1: Restart PC in Safe Mode with Networking
- Click start button then click Shutdown button.
- Now Click on Restart and click OK.
- Continue pressing F8 key once your PC become active.
- It launch the Advanced Boot Options window.
- Select Safe Mode with Networking
Step 2 : Remove ransomware via control panel
- Click on Start menu > Control Panel
- Now go to programs option > click on Uninstall a Program.
- Search for ransomware related files
- Select the suspicious program and click Uninstall/Change
- Click OK to save the changes.
Step 3 : Stop malicious process From Task Manager
- Press Windows + R button together.
- A run box will launch on your screen
- Now type “taskmgr” in run box
- After that click on OK button.
- In the Process tab and select malicious process
- Click on End process tab
If the ransomware still active in your computer even after using the manual steps then don’t worry. Wit the help of Free-scanner you can remove it completely from your system.