Ransom.Win32.CONTI.J

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Detalles de entrada

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Instalación

Infiltra los archivos siguientes:

• {Malware Path}\{Filename from -log argument}.txt → If -log argument is used

Agrega los procesos siguientes:

• cmd.exe /c %System%\wbem\WMIC.exe shadowcopy where "ID={Shadowcopy ID}" delete → It will repeat this process depending on the number of shadow copies.

(Nota: %System% es la carpeta del sistema de Windows, que en el caso de Windows 98 y ME suele estar en C:\Windows\System, en el caso de Windows NT y 2000 en C:\WINNT\System32 y en el caso de Windows 2000(32-bit), XP, Server 2003(32-bit), Vista, 7, 8, 8.1, 2008(64-bit), 2012(64bit) y 10(64-bit) en C:\Windows\System32).

Agrega las siguientes exclusiones mutuas para garantizar que solo se ejecuta una de sus copias en todo momento:

• lslaif8aisuuugnzxbvmdjk

Otros detalles

Hace lo siguiente:

• Accepts the following arguments:
  • -h {txtfile containing list of hosts to encrypt}
  • -p {txtfile containing list of folders} - Will encrypt first the folders in the list before proceeding to the others
  • -m {all|local|net|backups}
    • all - combination of net and local
    • local - delete backups and encrypt only locally found drives
    • net - delete backupds and encrypt only network shares
    • backups - delete backups
  • -log {Filename} - Outputs log on {Malware Path}\{Filename}.txt
  • -prockiller enabled - Terminate process not found in the following list:
    • spoolsv.exe
    • explorer.exe
    • sihost.exe
    • fontdrvhost.exe
    • cmd.exe
    • dwm.exe
    • LogonUI.exe
    • SearchUI.exe
    • lsass.exe
    • csrss.exe
    • smss.exe
    • winlogon.exe
    • services.exe
    • conhost.exe
    • svchost.exe
    • lsm.exe
    • wininit.exe
    • system
    • taskhost.exe
    • audiodg.exe
    • SearchIndexer.exe
    • sppsvc.exe
    • msdtc.exe
    • MSTASK.EXE
    • {Current Process}
  • -pids {process ids} - Contains list of pids (separated by comma) to be exempted from prockiller
• When encrypting network shares it will check if the IP address starts with the following to ensure that it is encrypting local, non-Internet, systems:
  • 172.
  • 192.168.
  • 10.
  • 169.