Ransomware Research

5ss5c Ransomware

5ss5c is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: 5ss5cCrypt, DBGer.

Quick facts

Ransomware Family
5ss5c
First Seen
January 1, 2020
Known Aliases
  • 5ss5cCrypt
  • DBGer

How 5ss5c ransomware works

File modification behavior

5ss5c updates file modification timestamps after encryption.

File encryption patterns

5ss5c modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .5ss5c
  • .dbger
Prefixes added to encrypted files
  • [5ss5c@mail.ru]
  • [dbger@protonmail.com]

Ransom note and payment demands

After encrypting files, 5ss5c displays ransom notes demanding payment for file recovery:

file_如何解密我的文件_.txt
notes/_如何解密我的文件_.txt

Location: RootDiscs

file_How_to_decrypt_files.txt
notes/_How_to_decrypt_files.txt

Location: RootDiscs

Technical indicators

Associated executable files

The following executable files are associated with 5ss5c ransomware:

  • 486613.exe
  • c
  • TVWWCJJ4.exe
  • cpt.exe
  • 276777.exe
  • cpt.dat
  • 2A013INZ.exe

About this analysis

This 5ss5c ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like 5ss5c.

Last updated: June 28, 2024

Detection coverage

Elastio detects 5ss5c inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify 5ss5c across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.