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Win32.HLLW.Autoruner2.15957
Added to the Dr.Web virus database:
2014-06-25
Virus description added:
2014-07-01
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'c566be470054618f819679d2950ef07e' = '"%APPDATA%\system..exe" ..'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'c566be470054618f819679d2950ef07e' = '"%APPDATA%\system..exe" ..'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\c566be470054618f819679d2950ef07e.exe
Malicious functions:
To bypass firewall, removes or modifies the following registry keys:
[<HKLM>\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List] '%APPDATA%\system..exe' = '%APPDATA%\system..exe:*:Enabled:system..exe'
Creates and executes the following:
'%APPDATA%\system..exe'
'<LS_APPDATA>FRmmSetRCR.exe'
Executes the following:
'<SYSTEM32>\netsh.exe' firewall add allowedprogram "%APPDATA%\system..exe" "system..exe" ENABLE
'<SYSTEM32>\rundll32.exe' <SYSTEM32>\shimgvw.dll,ImageView_Fullscreen <LS_APPDATA>mcYSeNZLmE..jpg
Modifies file system :
Creates the following files:
%HOMEPATH%\Recent\Application DatamcYSeNZLmE..lnk
%HOMEPATH%\Recent\Local Settings.lnk
%APPDATA%\system..exe
<LS_APPDATA>FRmmSetRCR.exe
<LS_APPDATA>mcYSeNZLmE..jpg
Network activity:
Connects to:
'ga#####123.zapto.org':1177
UDP:
DNS ASK ga#####123.zapto.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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