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Win32.HLLW.Autoruner2.17331
Added to the Dr.Web virus database:
2014-09-14
Virus description added:
2014-09-15
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'putkb_.exe' = '%APPDATA%\Roaming\putkb_.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'putkb_.exe' = '%APPDATA%\Roaming\putkb_.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\LaunchDrive.exe
Malicious functions:
Creates and executes the following:
'%APPDATA%\Roaming\putkb_.exe'
Modifies file system :
Creates the following files:
\Device\HarddiskVolume3\autorun.inf
\Device\HarddiskVolume3\LaunchDrive.exe
\Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
\Device\Mup\.host\Shared Folders\vm_shara\LaunchDrive.exe
%APPDATA%\Roaming\putkb_.exe
%APPDATA%\Roaming\0000000001
C:\autorun.inf
C:\LaunchDrive.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
\Device\Mup\.host\Shared Folders\vm_shara\autorun.inf
\Device\HarddiskVolume3\autorun.inf
%APPDATA%\Roaming\putkb_.exe
C:\autorun.inf
Network activity:
Connects to:
'tr###.colo.owned.hu':31099
UDP:
DNS ASK dn#.##ftncsi.com
DNS ASK tr###.colo.owned.hu
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
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