Cryakl Ransomware (email-gruzinrussian@aol.com.ver-CL 1.2.0.0.id-<Random>-<Month>@<Day>@<Year> <Hour>@<Minute>@<Second> <AM/PM><Random>.randomname-<Random>.<Random>.cbf)
2018. 08. 27. 4,604
Distribution Method : Unknown MD5 : c9f325294c1eb546df01acba568985ca Major Detection Name : ransom.win32.criakl.d (Sophos), Trojan.Encoder.567 (Dr.Web) Encrypted File Pattern : email-gruzinrussian@aol.com.ver-CL 1.2.0.0.id-<Random>-<Month>@<Day>@<Year> <Hour>@<Minute>@<Second> <AM/PM><Random>.randomname-<Random>.<Random>.cbf Malicious File Creation Location : - C:\Program Files (x86)\gruz5.exe - C:\Program Files (x86)\Company - C:\Program Files (x86)\Company\Gruz - C:\Program Files (x86)\Company\Gruz\gruz5.exe - C:\Program Files (x86)\Company\Gruz\letter.pdf - C:\Program Files (x86)\Company\Gruz\Uninstall.exe - C:\Program Files (x86)\Company\Gruz\Uninstall.ini - C:\Users\%UserName%\AppData\Local\Temp\gruz5.exe Major Characteristics : - Offline Encryption - The Russian users targeted - Installed and disguised as program "Gruz 1.00", then encrypts files - Disguised as execution of running PDF document (letter.pdf) - Changes desktop background (C:\Users\%UserName%\AppData\Local\Temp\desk.bmp)
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