Win32.HLLW.IRCBot.115

Added to the Dr.Web virus database: 2012-11-16

Virus description added: 2012-11-16

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'AdobeARMS' = '%CommonProgramFiles%\AdobeARMS.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'patches' = '1'

Infects the following executable system files:

Malicious functions:

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

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%CommonProgramFiles%\AdobeARMS.exe' = '%CommonProgramFiles%\AdobeARMS.exe:*:Enabled:AdobeARMS'

To complicate detection of its presence in the operating system,

forces the system hide from view:

Creates and executes the following:

Modifies settings of Windows Explorer:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoRun' = '00000001'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'

Modifies file system :

Creates the following files:

Sets the 'hidden' attribute to the following files:

Network activity:

Connects to:

UDP: