Win32.HLLW.Autoruner1.26584
Added to the Dr.Web virus database:
2012-10-08
Virus description added:
2012-10-18
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'UserFaultCheck' = ''
Creates or modifies the following files:
- %WINDIR%\explorer.exe
- %WINDIR%\Tasks\explorer.ext
Substitutes the following executable system files:
- %WINDIR%\explorer.exe with %WINDIR%\Tasks\explorer.ext
Malicious functions:
Injects code into
the following system processes:
Terminates or attempts to terminate
the following user processes:
Modifies file system :
Creates the following files:
- %WINDIR%\pchealth\ERRORREP\UserDumps\svchost.exe.20120925-034210-00.hdmp
- C:\System Volume Information\_restore{E7F0F64C-F7E5-4319-8757-E9A20C1C4E14}\RP15\rp.log
- C:\System Volume Information\_restore{E7F0F64C-F7E5-4319-8757-E9A20C1C4E14}\RP15\RestorePointSize
- %WINDIR%\pchealth\ERRORREP\UserDumps\svchost.exe.20120925-034210-00.mdmp
- C:\zzz.sys
- \Device\zzz\zzz2\WINDOWS\explorer.exe
- C:\System Volume Information\_restore{E7F0F64C-F7E5-4319-8757-E9A20C1C4E14}\fifo.log
Deletes the following files:
Deletes itself.
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