MZP Ransomware actively spreading in the wild

MZP Ransomware actively spreading in the wild

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

SonicWall Capture Labs Threat Research Team

The MZP ransomware encrypts the victim’s files with a strong encryption algorithm until the victim pays a fee to get them back.

Infection Cycle:

The ransomware adds the following files to the system:

  • Malware.exe
    • % App.path% HOW TO RESTORE ENCRYPTED FILES.TXT
      • Instruction for recovery
    • %App.path% [Name].

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

SonicWall Capture Labs Threat Research Team

SonicWall Capture Labs Threat Research Team

The ransomware encrypts all the files and appends the [<Random>] extension onto each encrypted file’s filename.

SonicWall Capture Labs Threat Research Team

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

SonicWall Capture Labs Threat Research Team

We have been monitoring varying hits over the past few days for the signature that blocks this threat:

SonicWall Capture Labs Threat Research Team

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

  • GAV: MZP.RSM (Trojan)

This threat is also detected by SonicWALL Capture ATP w/RTDMI and the Capture Client endpoint solutions.

** Optrics Inc. is an Registered SonicWall partner


The original article can be found here:

https://securitynews.sonicwall.com/xmlpost/15069/

About the Author: Shannon Lewis

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