- Distribution Method : Unknown
 
 - MD5 : 48e6e93893aeb892755bbd8f588e04c3
 
 - Major Detection Name : Ransom.HiddenTear (Malwarebytes), Ransom:MSIL/Cryptolocker.EA!MTB (Microsoft)
 
 - Encrypted File Pattern : .deltapaymentbitcoin@gmailcom
 
 - Malicious File Creation Location :
 - C:\Users\%UserName%\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.url
 - C:\Users\%UserName%\AppData\Roaming\read_it.txt
 - C:\Users\%UserName%\AppData\Roaming\svchost.exe
 - <Drive Letter>:\surprise.exe 
 - Payment Instruction File : read_it.txt
 
 - Major Characteristics :
 - Offline Encryption
 - Data corruption method
 - BiggyLocker / Penta Ransomware series
 - Propagation using "<Drive Letter>:\surprise.exe" file. 
 
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