Discovery / credits: Malvuln - (c) 2021  
Original source:  
Threat: Trojan-Spy.Win32.WinSpy.wlt  
Vulnerability: Insecure Permissions  
Description: WinSpy.wlt trojan drops an four executables, one of them "dlink.exe" listens on TCP port 443. It also creates a dir named "MsPaint" under Program Files (x86), granting full (F) permissions to everyone group.  
Type: PE32  
MD5: 00e1c4a654756dd6c9c81437c01ee3dd  
Vuln ID: MVID-2021-0087  
Dropped files: java.exe, winapp.exe, dlink.exe, RDS.exe, messenger.exe  
Disclosure: 02/15/2021  
C:\>cacls "\Program Files (x86)\MsPaint"  
C:\Program Files (x86)\MsPaint Everyone:(OI)(CI)F  
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