Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'system' = '<SYSTEM32>\system.exe'
Malicious functions:
Executes the following:
- '<SYSTEM32>\sc.exe' stop ekrn
- '<SYSTEM32>\sc.exe' delete RsRavMon
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\tem.dll Execute
- '<SYSTEM32>\sc.exe' delete ekrn
- '<SYSTEM32>\sc.exe' stop 360rp
- '<SYSTEM32>\rundll32.exe' <SYSTEM32>\ruk.dll Execute
- '<SYSTEM32>\sc.exe' stop RsRavMon
- '<SYSTEM32>\sc.exe' delete 360rp
Injects code into
the following system processes:
- <SYSTEM32>\cmd.exe
- <SYSTEM32>\cscript.exe
- %WINDIR%\Explorer.EXE
- <SYSTEM32>\ctfmon.exe
a large number of user processes.
Terminates or attempts to terminate
the following user processes:
- ekrn.exe
- 360tray.exe
Restores hooked functions in System Service Descriptor Table (SSDT).
Modifies file system :
Creates the following files:
- <SYSTEM32>\tem.dll
- %TEMP%\123343.tmp
- <SYSTEM32>\ruk.dll
- C:\Driver.sys
- C:\pci.sys
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\tem.dll
- <SYSTEM32>\ruk.dll
Deletes the following files:
- C:\Driver.sys
- C:\pci.sys
Moves itself:
- from <Full path to virus> to <SYSTEM32>\system.exe
