Win32.HLLW.Autoruner.55937

Added to the Dr.Web virus database: 2011-08-09

Virus description added: 2011-08-10

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft' = '<SYSTEM32>\172135.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Msconfig.exe] 'Debugger' = 'ntsd -d'

Creates the following files on removable media:

Malicious functions:

Creates and executes the following:

Executes the following:

<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoDriveTypeAutoRun /t REG_DWORD /d 145 /f
<SYSTEM32>\reg.exe add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v Microsoft /t REG_SZ /d <SYSTEM32>\172135.exe /f

Forces autoplay for removable media.

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files: