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Win32.HLLW.Autoruner2.13910
Added to the Dr.Web virus database:
2014-05-05
Virus description added:
2014-05-06
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] '687fa46eb30322ccea811da1aed2fce9' = '"%TEMP%\server.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] '687fa46eb30322ccea811da1aed2fce9' = '"%TEMP%\server.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\server.exe' = '%TEMP%\server.exe:*:Enabled:server.exe'
Creates and executes the following:
'%TEMP%\server.exe'
'<LS_APPDATA>YnTyCadSkq.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\server.exe" "server.exe" ENABLE
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>fHbRTMXqXE..jpg
Modifies file system :
Creates the following files:
%HOMEPATH%\Recent\Local Settings.lnk
%TEMP%\server.exe
%HOMEPATH%\Recent\Application DatafHbRTMXqXE..lnk
<LS_APPDATA>YnTyCadSkq.exe
<LS_APPDATA>fHbRTMXqXE..jpg
Network activity:
Connects to:
'mo#####tota.no-ip.biz':5552
UDP:
DNS ASK mo#####tota.no-ip.biz
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
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