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Win32.HLLW.Autoruner1.19
Added to the Dr.Web virus database:
2011-10-23
Virus description added:
2011-10-23
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'filesystem' = '%WINDIR%\Help\tmp.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'JavaUpdateLauncher' = '<SYSTEM32>\update.kno'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\setup.exe
<Drive name for removable media>:\1334191.exe
Malicious functions:
Creates and executes the following:
Modifies settings of Windows Internet Explorer:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Associations] 'LowRiskFileTypes' = '.exe;.chm;.kno'
Modifies file system :
Creates the following files:
%WINDIR%\Help\tmp.exe
<SYSTEM32>\update.kno
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\1334191.exe
<Drive name for removable media>:\autorun.inf
<SYSTEM32>\update.kno
%WINDIR%\Help\tmp.exe
Network activity:
Connects to:
'an###tics4u.net':80
'<Private IP address>':80
TCP:
HTTP GET requests:
<Private IP address>>D]F]!fNMvs:Z,R?i.###########
HTTP POST requests:
an###tics4u.net/gatter/connect.php
UDP:
DNS ASK an###tics4u.net
'<Private IP address>':1039
Miscellaneous:
Searches for the following windows:
ClassName: 'SysListView32' WindowName: ''
ClassName: '#32770' WindowName: ''
ClassName: '' WindowName: 'SysAnaly er'
ClassName: '' WindowName: 'The Wireshark Network Analy er'
ClassName: '' WindowName: ')I\q7SI^WO('
ClassName: '' WindowName: '*8NP [OJPRq=P8,2dwT"L:X04<HRtn'
ClassName: 'MS_WINHELP' WindowName: ''
ClassName: 'Indicator' WindowName: ''
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