Ransom.Win32.NOKO.THDABBC

它以文件的形式出现在系统中，可能是其他恶意软件投放的，或者是用户在访问恶意网站时无意中下载的。

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

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• if --safe-mode commandline parameter is used:
  • "%System%\bcdedit.exe" /set {default} safeboot network
  • "%System%\shutdown.exe" -r

(??: %System% ? Windows ? system ???,???? C:\Windows\System (Windows 98 ? ME)?C:\WINNT\System32 (Windows NT ? 2000) ? C:\WINDOWS\system32 (Windows 2000(32-bit)?XP?Server 2003(32-bit)?Vista?7?8?8.1?2008(64-bit),2012(64bit) ? 10(64-bit))?)

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HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\SafeBoot\Network\
nokonoko ? if --safe-mode commandline parameter is used.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
Services\nokonoko ? if --safe-mode commandline parameter is used.

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HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\SafeBoot\Network\
nokonoko ? if --safe-mode commandline parameter is used.
(Default) = Service

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control ? if --safe-mode commandline parameter is used.
ServicesPipeTimeout = 86400000

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• It encrypts files found in the following drives:
  • Fixed Drives
  • Removable Drives
  • Remote (Network) Drives
• The following can be changed in the runtime configuration:
  • Directories to avoid
  • File extensions to avoid
  • Ransom note content
  • Ransom note filename
  • Appended extension of encrypted files
  The following can be enabled/disabled in the runtime configuration:
  • Encryption of network shares
  • Delete shadow copies
  • Loading of hidden drives
• It shows the following message box when the --config argument is improperly encoded:
  
• It adds the following service if --safe-mode commandline parameter is used:
  Service Name: nokonoko
  Display Name: shmokoshmoko
  Path to exectuable: {Malware File Path}\{Malware File Name}.exe --config {Base64 encoded config}
  Start Type: Auto start