Win32.HLLW.Bobik.18

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'gWt' = '<SYSTEM32>\bvwjdzpgsnu.exe'

Malicious functions:

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

[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile] 'DoNotAllowExceptions' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'EnableFirewall' = '00000000'
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile] 'DoNotAllowExceptions' = '00000000'

To complicate detection of its presence in the operating system,

blocks the following features:

Executes the following:

Hides the following processes:

Modifies file system:

Creates the following files:

Sets the 'hidden' attribute to the following files:

Moves the following files:

Substitutes the following files:

Modifies the HOSTS file.

Network activity:

Connects to:

TCP:

HTTP GET requests:

http://wy####ow.afraid.org/reg?u=##########################################################
http://nt###zi.hn.org/reg?u=##########################################################
http://fc####ydw.yi.org/reg?u=##########################################################
http://yu####z.1dumb.com/reg?u=##########################################################
http://mc###i.3-a.net/reg?u=##########################################################
http://jd####y.dynserv.com/reg?u=##########################################################

UDP:

Miscellaneous:

Executes the following: