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Win32.HLLW.Autoruner1.36594
Added to the Dr.Web virus database:
2013-05-08
Virus description added:
2013-05-11
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%HOMEPATH%\%USERNAME%1\winlogon.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'NVIDIA Media Center Library' = '%HOMEPATH%\%USERNAME%1\winlogon.exe'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\DrivesGuideInfo.lnk
<Drive name for removable media>:\DrivesGuideInfo\svchost.exe
<Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\Desktop.ini
<Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\svchost.exe
Malicious functions:
Creates and executes the following:
'%HOMEPATH%\%USERNAME%1\winlogon.exe'
Modifies file system :
Creates the following files:
%HOMEPATH%\%USERNAME%1\winhelp32.exe
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\DATA[1]
%HOMEPATH%\%USERNAME%1\winlogon.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\DrivesGuideInfo\S-1-9-01-3739977401-4444491267-600313374-9146\Desktop.ini
Deletes the following files:
%HOMEPATH%\%USERNAME%1\winhelp32.exe
Network activity:
Connects to:
'0-##############################1-1-0-0-1-1-0-0-1-1-1-1-1-1-1-.0-0-0-0-0-0-0-0-0-0-0-0-0-32-0-0-0-0-0-0-0-0-0-0-0-0-0.info':80
'localhost':1036
TCP:
HTTP GET requests:
0-##############################1-1-0-0-1-1-0-0-1-1-1-1-1-1-1-.0-0-0-0-0-0-0-0-0-0-0-0-0-32-0-0-0-0-0-0-0-0-0-0-0-0-0.info/DATA
UDP:
DNS ASK 0-##############################1-1-0-0-1-1-0-0-1-1-1-1-1-1-1-.0-0-0-0-0-0-0-0-0-0-0-0-0-32-0-0-0-0-0-0-0-0-0-0-0-0-0.info
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
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