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Win32.HLLW.Autoruner.52296
Added to the Dr.Web virus database:
2011-06-22
Virus description added:
2011-06-23
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\RUNSERVICES] 'explorer' = '<SYSTEM32>\<Virus name>.exe'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\<Virus name>.exe'
Creates the following files on removable media:
<Drive name for removable media>:\aUtOrUn.inF
<Drive name for removable media>:\<Virus name>.exe
Malicious functions:
Executes the following:
%WINDIR%\explorer.exe C:\
Modifies file system :
Creates the following files:
C:\aUtOrUn.inF
<SYSTEM32>\_temp__.dat
<SYSTEM32>\<Virus name>.exe
C:\<Virus name>.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\aUtOrUn.inF
C:\aUtOrUn.inF
<SYSTEM32>\<Virus name>.exe
Network activity:
Connects to:
'pr###ctbox.ir':80
'localhost':1035
TCP:
HTTP GET requests:
pr###ctbox.ir/information/info.php?b=###################
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: '' WindowName: ''
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