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Win32.HLLW.Autoruner2.36167
Added to the Dr.Web virus database:
2018-04-15
Virus description added:
2018-04-14
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /A'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /U'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /F'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /G'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /e'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /q'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /r'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /I'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /O'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /S'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /K'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /j'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /p'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /z'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /w'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /m'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /b'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /H'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /v'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /D'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /X'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /Y'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /L'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /T'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /N'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tched' = '%HOMEPATH%\tched.exe /C'
Creates the following files on removable media:
<Drive name for removable media>:\autorun.inf
<Drive name for removable media>:\tched.exe
<Drive name for removable media>:\Secret.exe
<Drive name for removable media>:\Sexy.exe
<Drive name for removable media>:\RCX1.tmp
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
Modifies file system:
Creates the following files:
Sets the 'hidden' attribute to the following files:
%HOMEPATH%\tched.exe
<Drive name for removable media>:\autorun.inf
Deletes the following files:
<Drive name for removable media>:\Sexy.exe
Substitutes the following files:
<Drive name for removable media>:\Sexy.exe
Network activity:
Connects to:
'ns#.##ayer1352.com':8000
UDP:
DNS ASK ns#.##ayer1352.com
Miscellaneous:
Creates and executes the following:
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