RANSOM_HAKUNA.A
Ransom:Win32/FileCryptor (Microsoft); Trojan.Win32.Deshacop.ddy (Kaspersky); Trojan.Win32.Filecoder (Ikarus)
Windows

Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It deletes itself after execution.
TECHNICAL DETAILS
1,748,992 bytes
EXE
16 Jan 2017
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Other System Modifications
This Trojan adds the following registry entries:
HKEY_CLASSES_ROOT\.HakunaMatata
(Default) = "Crypted!"
HKEY_CLASSES_ROOT\.HakunaMatata\DefaultIcon
(Default) = "%System%\shell32.dll,47"
HKEY_CLASSES_ROOT\.HakunaMatata\shell\
open\command
(Default) = "cmd /s/c\"(ECHO {random note})|MSG *\""
Dropping Routine
This Trojan drops the following files:
- {folders containing encrypted files}\Recovers files yako.html
Other Details
This Trojan renames encrypted files using the following names:
- {original path and filename}.HakunaMatata
It deletes itself after execution.