Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autorun.exe] 'Debugger' = 'Calc.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ansav.exe] 'Debugger' = 'Calc.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\PCMAV-CLN.exe] 'Debugger' = 'Calc.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\PCMAV-RTP.exe] 'Debugger' = 'Calc.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Grunge' = '%WINDIR%\lsass.exe'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'SowryCuy' = '<SYSTEM32>\dlllhost.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\viremoval.exe] 'Debugger' = 'Calc.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\viremover.exe] 'Debugger' = 'Calc.exe'
- [<HKLM>\SOFTWARE\Classes\batfile\shell\open\command] '' = '"<SYSTEM32>\dlllhost.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\comfile\shell\open\command] '' = '"<SYSTEM32>\dlllhost.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\lnkfile\shell\open\command] '' = '"<SYSTEM32>\dlllhost.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Classes\piffile\shell\open\command] '' = '"<SYSTEM32>\dlllhost.exe" "%1" %*'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedt32.exe] 'Debugger' = 'Explorer.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\PCMAV.exe] 'Debugger' = 'Calc.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe] 'Debugger' = 'Explorer.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe] 'Debugger' = 'Explorer.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\AuToRuN.InF
- <Drive name for removable media>:\RECYCLE.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
- file extensions
blocks execution of the following system utilities:
- Command Prompt (CMD)
blocks the following features:
- System Restore (SR)
Creates and executes the following:
- %WINDIR%\lsass.exe
Modifies settings of Windows Explorer:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer] 'NoFolderOptions' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Modifies settings of Windows Internet Explorer:
- [<HKCU>\Software\Microsoft\Internet Explorer\Main] 'Window Title' = '.::SURG4BIJ4K Want You::.'
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- C:\AuToRuN.InF
- C:\RECYCLE.exe
- %WINDIR%\desktop.ini
- %WINDIR%\AuToRuN.InF
- <Current directory>\AuToRuN.InF
- %WINDIR%\lsass.exe
- <SYSTEM32>\dlllhost.exe
Sets the 'hidden' attribute to the following files:
- <Drive name for removable media>:\RECYCLE.exe
- C:\AuToRuN.InF
- %WINDIR%\AuToRuN.InF
- <Drive name for removable media>:\AuToRuN.InF
- C:\RECYCLE.exe
- <Current directory>\AuToRuN.InF
- <Full path to virus>
- <SYSTEM32>\dlllhost.exe
- %WINDIR%\lsass.exe
Deletes the following files:
- %TEMP%\~DF22C0.tmp
- %WINDIR%\desktop.ini
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: ''