- Distribution Method : Unknown
- MD5 : ebfac4b9c4387f5dbb921bbb23986739
- Major Detection Name : Trojan/Win32.Ransom.R270288 (AhnLab V3), Ransom:Win32/Genasom (Microsoft)
- Encrypted File Pattern : [kname@protonmail.com]<Original Filename>.<Original Extension>.kname
- Malicious File Creation Location :
- C:\ProgramData\how_to_decrypt.txt
- C:\ProgramData\svchostp.exe
- C:\Users\%UserName%\AppData\Local\Temp\kname.exe
- C:\Users\%UserName%\AppData\Local\Temp\svchostk.exe
- C:\how_to_decrypt.txt
- Payment Instruction File : how_to_decrypt.txt
- Major Characteristics :
- Offline Encryption
- Katyusha Ransomware series
- Block processes execution (httpd.exe, mysqld.exe, sqlagent.exe, sqlservr.exe, sqlwriter.exe, w3wp.exe etc.)
- Disable system restore (vssadmin delete shadows /all /quiet)
- Collecting account information using Mimikatz open-source utility (C:\ProgramData\m32.exe or m64.exe)
- Network propagation function using Double Pulsar Backdoor & EternalBlue SMB vulnerability
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