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Win32.HLLW.Autoruner.52932
Added to the Dr.Web virus database:
2011-07-01
Virus description added:
2011-07-01
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /W'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /i'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /Z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /c'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /M'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /x'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /Q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /J'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /l'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /k'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /t'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /h'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'caitaav' = '%HOMEPATH%\caitaav.exe /S'
Creates the following files on removable media:
<Drive name for removable media>:\Documents.lnk
<Drive name for removable media>:\Passwords.lnk
<Drive name for removable media>:\Pictures.lnk
<Drive name for removable media>:\Video.lnk
<Drive name for removable media>:\Music.lnk
<Drive name for removable media>:\qyAy.ico
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\caitaav.exe
<Drive name for removable media>:\New Folder.lnk
<Drive name for removable media>:\caitaavx.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Creates and executes the following:
Modifies file system :
Creates the following files:
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\caitaav.exe
<Drive name for removable media>:\caitaavx.exe
<Drive name for removable media>:\qyAy.ico
%HOMEPATH%\caitaav.exe
<Drive name for removable media>:\autorun.inf
Network activity:
Connects to:
'ns#.##ayer1253.com':8000
UDP:
DNS ASK ns#.##ayer1253.com
Miscellaneous:
Searches for the following windows:
ClassName: 'Indicator' WindowName: ''
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