Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '' = '%WINDIR%\lytrym.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Pqrstu Wxyabcde Ghi] 'Start' = '00000002'
Malicious functions:
Creates and executes the following:
- '%WINDIR%\lytrym.exe'
Executes the following:
- '<SYSTEM32>\wscript.exe' "C:\8197.vbs"
Modifies file system :
Creates the following files:
- C:\8197.vbs
- %WINDIR%\lytrym.exe
Sets the 'hidden' attribute to the following files:
- %WINDIR%\lytrym.exe
Deletes the following files:
- C:\8197.vbs
Deletes itself.
Network activity:
Connects to:
- 'vi##306.cc':9191
UDP:
- DNS ASK vi##306.cc
