Win32.HLLW.Autoruner1.54661
Added to the Dr.Web virus database:
2013-08-25
Virus description added:
2013-08-25
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\zzzprrog.exe'
Malicious functions:
Executes the following:
- '<SYSTEM32>\reg.exe' add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t reg_sz /d <SYSTEM32>\userinit.exe,<SYSTEM32>\zzzprrog.exe /f
- '<SYSTEM32>\cmd.exe' /c ""C:\flacs.bat" "
Modifies file system :
Creates the following files:
- <SYSTEM32>\zzzprrog.exe
- C:\flacs.bat
Miscellaneous:
Searches for the following windows:
- ClassName: 'Shell_TrayWnd' WindowName: '(null)'
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