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Win32.HLLW.Autoruner2.14915
Added to the Dr.Web virus database:
2014-05-29
Virus description added:
2014-05-30
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'ba4c12bee3027d94da5c81db2d196bfd' = '"%TEMP%\svchost.exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'ba4c12bee3027d94da5c81db2d196bfd' = '"%TEMP%\svchost.exe" ..'
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%TEMP%\svchost.exe' = '%TEMP%\svchost.exe:*:Enabled:svchost.exe'
Creates and executes the following:
'%TEMP%\svchost.exe'
'<LS_APPDATA>pVMSKFcseJ.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%TEMP%\svchost.exe" "svchost.exe" ENABLE
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>aIjQcoCCwN.jpg
Modifies file system :
Creates the following files:
%HOMEPATH%\Recent\Application DataaIjQcoCCwN.lnk
%HOMEPATH%\Recent\Local Settings.lnk
%TEMP%\svchost.exe
<LS_APPDATA>pVMSKFcseJ.exe
<LS_APPDATA>aIjQcoCCwN.jpg
Network activity:
Connects to:
'to######racker.no-ip.org':1177
UDP:
DNS ASK to######racker.no-ip.org
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: 'Shell_TrayWnd' WindowName: '(null)'
ClassName: 'ShImgVw:CPreviewWnd' WindowName: '(null)'
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