Win32.HLLW.MyBot.10006

Added to the Dr.Web virus database: 2013-03-21

Virus description added: 2013-03-21

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Isass Shell Monitor' = 'Isass.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Isass Shell Monitor' = 'Isass.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Isass Shell Monitor' = '<SYSTEM32>\Isass.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices] 'Isass Shell Monitor' = '<SYSTEM32>\Isass.exe'

Malicious functions:

To bypass firewall, removes or modifies the following registry keys:

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '<SYSTEM32>\Isass.exe' = '<SYSTEM32>\Isass.exe:*:Enabled:Isass Shell Monitor'

Creates and executes the following:

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Deletes itself.

Network activity:

Connects to:

UDP: