Win32.HLLW.Autoruner1.11236
Added to the Dr.Web virus database:
2012-01-26
Virus description added:
2012-01-26
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Spoolsrv' = '<SYSTEM32>\spoolsrv.exe'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Windows Task Manager (Taskmgr)
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies file system :
Creates the following files:
- <SYSTEM32>\spoolsrv.ini
- <SYSTEM32>\spoolsrv.exe
Sets the 'hidden' attribute to the following files:
Miscellaneous:
Searches for the following windows:
- ClassName: 'TfmMainUSBDetect' WindowName: ''
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