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Win32.HLLW.Autoruner1.23709
Added to the Dr.Web virus database:
2012-07-22
Virus description added:
2012-08-12
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = 'explorer.exe <SYSTEM32>\svchost..exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\svchost..exe
Malicious functions:
Creates and executes the following:
%TEMP%\lwemon.exe
<SYSTEM32>\svchost..exe
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\checkip.dyndns[1].55394569668
%TEMP%\~ip.tmp
<SYSTEM32>\autorun.ini
<SYSTEM32>\processlist.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\whatismyip[1].97022931813
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\2VAZY7AN\checkip.dyndns[1].2974733077
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\YPORKZYZ\whatismyip[1].2239272345
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\checkip.dyndns[1].3148929195
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\whatismyip[1].19855778199
%TEMP%\aut2.tmp
%TEMP%\vrtqmvg
%TEMP%\aut1.tmp
<SYSTEM32>\svchost..exe
%TEMP%\aut3.tmp
<SYSTEM32>\1.txt
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\U98D4X8H\sever[1].txt
%TEMP%\lwemon.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\sever[1].txt
Deletes the following files:
<SYSTEM32>\1.txt
%TEMP%\~ip.tmp
<SYSTEM32>\processlist.txt
%TEMP%\aut3.tmp
%TEMP%\aut1.tmp
%TEMP%\aut2.tmp
%TEMP%\vrtqmvg
Network activity:
Connects to:
'ch####p.dyndns.org':80
'www.wh###smyip.com':80
'ce######ne19.byethost2.com':80
'sa######2010.byethost5.com':80
TCP:
HTTP GET requests:
www.wh###smyip.com/?rn#########################################
ch####p.dyndns.org/?rn#########################################
ch####p.dyndns.org/?rn########################################
ce######ne19.byethost2.com/data/sever.txt
sa######2010.byethost5.com/data/sever.txt
UDP:
DNS ASK ch####p.dyndns.org
DNS ASK www.wh###smyip.com
DNS ASK ce######ne19.byethost2.com
DNS ASK sa######2010.byethost5.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
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