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Rootkit:W32/Agent.UG

Name : Rootkit:W32/Agent.UG
Detection Names : Rootkit:W32/Agent.UG
Worm.Win32.AutoRun.lyo
Category:Malware
Type:Rootkit
Platform:W32

Summary

A program or set of programs which hides itself by subverting or evading the computer's security mechanisms, then allows remote users to secretly control the computer's operating system.

Additional Details

This rootkit will execute on the following operating systems:

  • Windows 2000
  • Windows XP
  • Windows 2003
  • Windows Vista
  • Windows Vista SP1

It removes the hooked addresses corresponding to the following NT Functions (which are implemented in Ntoskrnl.exe), then restores them to their original values:

  • NtProtectVirtualMemory 
  • NtOpenThread           
  • NtTerminateThread      
  • NtCreatePort           
  • NtConnectPort          
  • NtCreateKey            
  • NtAdjustPrivilegesToken
  • NtCreateFile           
  • NtWriteVirtualMemory   
  • NtOpenProcess          
  • NtCreateProcess        
  • NtCreateProcessEx      
  • NtCreateSection        
  • NtCreateThread         
  • NtDeleteKey            
  • NtDeleteValueKey       
  • NtDuplicateObject      
  • NtEnumerateKey         
  • NtEnumerateValueKey    
  • NtLoadDriver           
  • NtLoadKey              
  • NtLoadKey2             
  • NtNotifyChangeKey      
  • NtOpenFile             
  • NtOpenKey              
  • NtOpenSection          
  • NtQueryKey             
  • NtQueryMultipleValueKey
  • NtQueryValueKey        
  • NtReplaceKey           
  • NtRestoreKey           
  • NtResumeThread         
  • NtSaveKey              
  • NtSetContextThread     
  • NtSetInformationFile   
  • NtSetInformationKey    
  • NtSetSystemInformation 
  • NtSetValueKey          
  • NtSuspendThread        
  • NtSystemDebugControl   
  • NtTerminateProcess