- Distribution Method : Unknown
- MD5 : c771369acee8a169297be6a46f428b8e
- Major Detection Name : Trojan/Win32.Ransomware.R232532 (AhnLab V3), Ransom_XIAOBA.THGBFAH (Trend Micro)
- Encrypted File Pattern : [xiaoba_666@163.com]Encrypted_<Random>.XIAOBA
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Local\Temp\HELP_SOS.hta
- C:\Users\%UserName%\AppData\Local\Temp\HELP_SOS.vbs
- Payment Instruction File : HELP_SOS.hta
- Major Characteristics :
- Offline Encryption
- File encryption using "C:\Windows\system32\svchost.exe" system file
- Use an invalid "Adobe Systems Incorporated" Digital Signatures
- Block processes execution (firefoxconfig.exe, msftesql.exe, mydesktopqos.exe, mydesktopservice.exe, sqbcoreservice.exe etc.)
- Disable system restore (vssadmin delete shadow /all /quiet, wmic shadowcopy delete, bcdedit /set {default} boostatuspolicy ignoreallfailures, bcdedit /set {default} recoveryenabled no, wbadmin delete catalog -quiet)
- Payment support in 20 languages including English and Korean
- Encryption guide using Text-to-Speech (TTS) function
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