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Win32.HLLW.Autoruner1.13502
Added to the Dr.Web virus database:
2012-03-16
Virus description added:
2013-08-07
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Corp' = '%TEMP%\winlogon.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Microsoft Corp' = '%TEMP%\winlogon.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Updates\Drivers\System.exe
<Drive name for removable media>:\Updates\Drivers\Desktop.ini
Malicious functions:
Creates and executes the following:
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\Updates\Drivers\System.exe
%TEMP%\winlogon.exe
Network activity:
Connects to:
'pr####.#nlimited-network.ro':6696
UDP:
DNS ASK pr####.#nlimited-network.ro
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: '(null)'
ClassName: '(null)' WindowName: 'BitDefender Firewall Alert'
ClassName: '(null)' WindowName: 'Windows Security Alert'
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