- Distribution Method : Unknown
- MD5 : b7301df22c84e42218b815f6eab3282c
- Major Detection Name : a variant of MSIL/Filecoder.Jigsaw.B (ESET), Ransom:MSIL/JigsawLocker.A (Microsoft)
- Encrypted File Pattern : .pabluk300CrYpT!
- Malicious File Creation Location :
- C:\Users\%UserName%\AppData\Local\OfficeUpdate
- C:\Users\%UserName%\AppData\Local\OfficeUpdate\MicrosoftWordUpdate.exe
- C:\Users\%UserName%\AppData\Roaming\MozillaFirefoxUpdate
- C:\Users\%UserName%\AppData\Roaming\MozillaFirefoxUpdate\update.exe
- Major Characteristics :
- Offline Encryption
- Ramsey Ransomware series
- The Polish users targeted
- Create a fake ".NET Framework Initialization Error" message
- Automatically delete encrypted files every hour
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