FilesL0cker RANSOMWARE actively spreading in the wild.

The SonicWall Capture Labs Threat Research Team observed reports of a new variant family of FILESLOCKER [FILESLOCKER.RSM] actively spreading in the wild.

FILESLOCKER encrypts the victims files with a strong encryption algorithm until the victim pays a fee to get them back.

Contents of the FILESLOCKER ransomware

Infection Cycle:

The Ransomware adds the following files to the system:

• Malware.exe
  • %App.path%\ [File Name] .locked
  • %Userprofile\Desktop %\ DECRYPT MY FILES.txt
    • Instruction for recovery

Once the computer is compromised, the Ransomware runs the following commands:

The Ransomware encrypts all the files and appends the .locked extension onto each encrypted file's filename.

After encrypting all personal documents the Ransomware shows the following webpage containing a message reporting that the computer has been encrypted and to contact its developer for unlock instructions.

SonicWall Capture Labs provides protection against this threat via the following signature:

• GAV: FILESLOCKER.RSM (Trojan)