Win32.HLLW.Autoruner1.25136

Added to the Dr.Web virus database: 2012-08-22

Virus description added: 2012-09-12

To ensure autorun and distribution:

Modifies the following registry keys:

[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = 'explorer.exe <SYSTEM32>\<Virus name>.exe'

Creates the following files on removable media:

Malicious functions:

Creates and executes the following:

Modifies file system :

Creates the following files:

%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\whatismyip[1].4302127359
%TEMP%\~ip.tmp
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1].1124919688
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1].3462789501
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\whatismyip[1].9928372139
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\checkip.dyndns[1].6828681827
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\whatismyip[1].7661030465
<SYSTEM32>\processlist.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\sever[1].txtt
<Current directory>\1.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sever[1].txtt
<SYSTEM32>\<Virus name>.exe
<SYSTEM32>\autorun.ini
<SYSTEM32>\1.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\sever[1].txtt

Deletes the following files:

%TEMP%\~ip.tmp
<SYSTEM32>\processlist.txt
<SYSTEM32>\1.txt
<Current directory>\1.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sever[1].txtt

Network activity:

Connects to:

TCP:

HTTP GET requests:

UDP: