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Win32.HLLW.Autoruner.55878
Added to the Dr.Web virus database:
2011-08-09
Virus description added:
2011-08-09
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'AutorunApp' = '<SYSTEM32>\Rundll.exe /f'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\Clickme.exe
Malicious functions:
Executes the following:
<SYSTEM32>\attrib.exe +h +s +r Q:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r Q:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r P:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r R:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r S:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r S:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r R:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r N:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r M:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r M:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r N:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r P:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r O:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r O:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r X:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r X:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r W:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r Y:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r Z:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r Z:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r Y:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r U:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r T:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r T:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r U:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r W:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r V:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r V:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r L:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r C:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r B:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r B:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r C:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r E:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r <Drive name for removable media>:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r <Drive name for removable media>:\Clickme.exe
<SYSTEM32>\attrib.exe /s /d +s +h %WINDIR%\repair\*
%WINDIR%\explorer.exe C:\
<SYSTEM32>\reg.exe delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f
<SYSTEM32>\reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v AutorunApp /t REG_SZ /d "<SYSTEM32>\Rundll.exe /f
<SYSTEM32>\attrib.exe +h +s +r A:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r A:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s <SYSTEM32>\Rundll.exe
<SYSTEM32>\attrib.exe +h +s +r J:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r I:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r I:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r J:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r L:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r K:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r K:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r F:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r F:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r E:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r G:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r H:\autorun.inf
<SYSTEM32>\attrib.exe +h +s +r H:\Clickme.exe
<SYSTEM32>\attrib.exe +h +s +r G:\autorun.inf
Modifies file system :
Creates the following files:
C:\autorun.inf
C:\Clickme.exe
<SYSTEM32>\Rundll.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\Clickme.exe
<Drive name for removable media>:\autorun.inf
C:\autorun.inf
<SYSTEM32>\Rundll.exe
C:\Clickme.exe
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
ClassName: '' WindowName: ''
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