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Win32.HLLW.Autoruner1.16370
Added to the Dr.Web virus database:
2012-05-23
Virus description added:
2012-06-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'system32.exe' = '<SYSTEM32>\xregist.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.exe
<Drive name for removable media>:\autorun.inf
Malicious functions:
Creates and executes the following:
Executes the following:
<SYSTEM32>\wscript.exe "<SYSTEM32>\runner.vbs"
%WINDIR%\explorer.exe c:
Modifies file system :
Creates the following files:
C:\autorun.inf
C:\autorun.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\regist[1].php
<SYSTEM32>\xregist.exe
<SYSTEM32>\sub_dn.exe
<SYSTEM32>\runner.vbs
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.exe
<Drive name for removable media>:\autorun.inf
C:\autorun.inf
<SYSTEM32>\xregist.exe
C:\autorun.exe
Deletes the following files:
Network activity:
Connects to:
'ha#######eam.100webspace.net':80
'localhost':1035
TCP:
HTTP GET requests:
ha#######eam.100webspace.net/tmp/regist.php?re#####
UDP:
DNS ASK ha#######eam.100webspace.net
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: '' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
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