Win32.HLLM.Generic.440

Added to the Dr.Web virus database: 2007-10-23

Virus description added: 2011-07-06

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Tok-Cirrhatus' = '"<LS_APPDATA>\smss.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'Explorer.exe "%WINDIR%\BerasJatah.exe"'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Bron-Spizaetus' = '"%WINDIR%\ShellNew\sempalong.exe"'

Creates or modifies the following files:

Malicious functions:

To complicate detection of its presence in the operating system,

forces the system hide from view:

blocks execution of the following system utilities:

Creates and executes the following:

Executes the following:

<SYSTEM32>\at.exe 17:08 /every:M,T,W,Th,F,S,Su "%HOMEPATH%\Templates\Brengkolang.com"
<SYSTEM32>\at.exe /delete /y
%WINDIR%\explorer.exe

Modifies settings of Windows Explorer:

[<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:

TCP:

HTTP GET requests:

UDP:

Miscellaneous:

Searches for the following windows: