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Win32.HLLW.Autoruner1.30028
Added to the Dr.Web virus database:
2012-11-20
Virus description added:
2012-11-20
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'shell' = 'Explorer.exe "C:\RECYCLER\S-1-5-21-527237240-117609710-1177238915-500\crfmon.exe"'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\restore.exe
Malicious functions:
Creates and executes the following:
C:\RECYCLER\S-1-5-21-527237240-117609710-1177238915-500\crfmon.exe
Hides the following processes:
Modifies file system :
Creates the following files:
%HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\mailer[1].pl
C:\RECYCLER\S-1-5-21-527237240-117609710-1177238915-500\crfmon.exe
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\autorun.inf
C:\RECYCLER\S-1-5-21-527237240-117609710-1177238915-500\crfmon.exe
<Drive name for removable media>:\restore.exe
Network activity:
Connects to:
'www.sh##han.net':80
'localhost':1037
'localhost':1036
TCP:
HTTP GET requests:
www.sh##han.net/scripts/users/mailer.pl?fr#################################################################################################################################################
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'Shell_TrayWnd' WindowName: ''
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: 'MS_AutodialMonitor' WindowName: ''
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