Home Malware Programs Worms W32.Addnu

W32.Addnu

Posted: November 13, 2012

Threat Metric

Threat Level: 5/10
Infected PCs: 44
First Seen: November 13, 2012
Last Seen: November 17, 2022
OS(es) Affected: Windows

W32.Addnu is a worm that circulates by replicating itself to removable drives. W32.Addnu also opens a back door on the targeted computer. Once executed, W32.Addnu replicates itself to one of the certain locations on the corrupted PC. W32.Addnu then creates one of the certain registry entries so that it can execute automatically whenever Windows is started. W32.Addnu then connects to the particular remote location and opens a back door on the infected computer system. W32.Addnu may then receive commands from the command-and-control (C&C) server. W32.Addnu then replicates itself to removable drives.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%UserProfile%\Local Settings\Application Data\Microsoft\rundll32.exe File name: %UserProfile%\Local Settings\Application Data\Microsoft\rundll32.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%UserProfile%\Local Settings\Application Data\Microsoft\svchost.exe File name: %UserProfile%\Local Settings\Application Data\Microsoft\svchost.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\{Value}HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\"Windows Update" = "%UserProfile%\Local Settings\Application Data\Microsoft\rundll32.exe"HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\"Windows Update" = "%UserProfile%\Local Settings\Application Data\Microsoft\svchost.exe"
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