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Win32.HLLW.Autoruner2.21932
Added to the Dr.Web virus database:
2015-09-06
Virus description added:
2015-09-05
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\fbfbbafaaa] 'Startup' = 'sup'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\fbfbbafaaa] 'Logon' = 'l'
[<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\fbfbbafaaa] 'DllName' = '<SYSTEM32>\fbfbbafaaa.dll'
Malicious functions:
Executes the following:
'%PROGRAM_FILES%\Internet Explorer\IEXPLORE.EXE' http://wl.##kerss.com/v307/repins.rss?ms######################################################################################################################################
Injects code into
the following system processes:
Modifies file system :
Creates the following files:
<SYSTEM32>\RCX1.tmp
<SYSTEM32>\fbfbbafaaa.dll
Deletes the following files:
<SYSTEM32>\fbfbbafaaa.dll
Moves the following files:
from <SYSTEM32>\RCX1.tmp to <SYSTEM32>\fbfbbafaaa.dll
Moves itself:
from <Full path to virus> to <SYSTEM32>\baсkground.bmp
Network activity:
Connects to:
'wl.##kerss.com':80
'localhost':1036
TCP:
HTTP GET requests:
http://wl.##kerss.com/v307/repins.rss?ms######################################################################################################################################
UDP:
Miscellaneous:
Searches for the following windows:
ClassName: 'MS_AutodialMonitor' WindowName: ''
ClassName: 'MS_WebcheckMonitor' WindowName: ''
ClassName: '' WindowName: ''
ClassName: 'Shell_TrayWnd' WindowName: ''
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