Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe transmit.exe'
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Windows Logon' = '%CommonProgramFiles%\system\winlogon.exe'
Creates the following files on removable media:
- <Drive name for removable media>:\autorun.inf
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:
- Windows Task Manager (Taskmgr)
- Registry Editor (RegEdit)
Creates and executes the following:
- %WINDIR%\systen32\svchost.exe
Terminates or attempts to terminate
the following user processes:
- NAVAPW32.EXE
- ccapp.exe
- AVPCC.EXE
- ZONEALARM.EXE
- zapro.exe
- zlclient.exe
- avgcc.exe
- AVGCC32.EXE
- GUARD.EXE
- AVPM.EXE
- MCAGENT.EXE
- AVSYNMGR.EXE
Modifies settings of Windows Explorer:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFind' = '00000001'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NoFolderOptions' = '00000001'
Forces autoplay for removable media.
Modifies file system :
Creates the following files:
- %WINDIR%\systen32\svchost.exe
- C:\autorun.inf
- %CommonProgramFiles%\System\winlogon.exe
- C:\[pegasus].txt
Sets the 'hidden' attribute to the following files:
- C:\autorun.inf
- <Drive name for removable media>:\autorun.inf
- %CommonProgramFiles%\System\winlogon.exe
- %WINDIR%\systen32\svchost.exe
Deletes the following files:
- %TEMP%\~DFA2F3.tmp